B1 noun #18 پرکاربردترین 13 دقیقه مطالعه

signal

At the A1 level, a signal is a very simple thing you see or hear that tells you what to do. The most common example is a traffic light. A red light is a signal to stop, and a green light is a signal to go. You might also use your hand to give a signal, like waving 'hello' or 'goodbye.' In your daily life, you might hear a bell at school; that is a signal that the lesson is starting or ending. At this level, think of a signal as a simple 'message' that uses a light, a sound, or a movement instead of words. You can say 'I see the signal' or 'The signal is red.' It is a basic way to understand instructions without needing to read or speak a lot of English. We use signals to stay safe and to know when to start or stop doing something.
At the A2 level, you can use 'signal' to describe more things in your environment. You probably use a mobile phone, and you might notice that sometimes you cannot make a call. This is often because the 'phone signal' is weak. You can say, 'I have no signal here' or 'The signal is bad.' You also learn about signals in cars, like the 'turn signal' which is the flashing light that shows if a car is turning left or right. A signal at this level is still an intentional message, but it can be technical (like radio waves) or physical (like a hand gesture). You can use it with verbs like 'give,' 'send,' or 'get.' For example, 'He gave me a signal to come to the table.' It helps you describe how people and machines communicate basic information quickly.
At the B1 level, you understand that a signal is a gesture, action, or sound used to convey information, warnings, or instructions. You can use it in more complex sentences, such as 'The flare was a signal for help' or 'The whistle was the signal to start the race.' You also begin to see how 'signal' can be used for abstract ideas. For example, if a company hires many new people, it is a 'signal' that they are doing well. You might talk about 'mixed signals' when someone says one thing but does another, making you feel confused. At this level, you should be able to distinguish between a 'signal' (which is usually intentional) and a 'sign' (which might just be a natural fact). You can also use adjectives like 'clear,' 'strong,' 'weak,' or 'warning' to describe the signal.
At the B2 level, 'signal' becomes a tool for analyzing situations and trends. You use it to describe indicators in economics, politics, and social science. For instance, 'The central bank's move to lower interest rates is a clear signal of their concern about the recession.' You understand that signals can be subtle and require interpretation. You might discuss 'signaling theory' in biology or economics—how animals or people use specific behaviors to show their strength or status. You are comfortable using 'signal' as both a noun and a verb, and you can use it with 'that' clauses: 'The sudden silence in the room signaled that something was wrong.' You also recognize more idiomatic uses and can handle technical discussions about digital vs. analog signals with relative ease.
At the C1 level, you use 'signal' to discuss nuance, subtext, and complex systems. You might analyze the 'diplomatic signals' sent between countries during a negotiation, where every word and gesture is a carefully chosen signal of intent. You understand the semiotic nature of signals—how they function as symbols within a culture. You can use the word to describe sophisticated biological processes, like 'intracellular signaling pathways,' or complex technological concepts like 'signal-to-noise ratio' in data science. Your vocabulary includes related terms like 'harbinger,' 'cue,' and 'indicator,' and you choose 'signal' specifically when you want to emphasize the transmission of a message or the intentionality behind an action. You can write detailed reports or essays where 'signal' is used to link evidence to broader conclusions.
At the C2 level, your mastery of 'signal' is complete, allowing you to use it in highly specialized or philosophical contexts. You might explore the 'signals' of postmodern literature or the way 'signal processing' algorithms shape our digital reality. You can use the word with absolute precision, distinguishing between 'signal' as a discrete unit of communication and 'signaling' as a continuous process of identity construction. You are capable of using the word in high-level academic discourse, perhaps discussing the 'evolutionary signals' of mate selection or the 'market signals' that drive global high-frequency trading. You understand the deepest etymological roots of the word and can use it metaphorically in creative writing to evoke subtle atmospheres or hidden meanings. For you, a 'signal' is not just a light or a sound, but a fundamental concept of information theory and human existence.

signal در ۳۰ ثانیه

  • A signal is an intentional act of communication using sounds, lights, or gestures to give instructions or warnings to others in various contexts.
  • In technology, a signal refers to the electromagnetic waves that carry data to devices like phones, radios, and televisions for connectivity.
  • The word can also describe abstract events or behaviors that suggest a deeper meaning, a future trend, or a hidden intention in social settings.
  • Common examples include traffic lights, hand waves, fire alarms, and mobile phone reception, all of which facilitate coordination and understanding between entities.

The word signal is a versatile noun that describes a deliberate act of communication. At its most basic level, a signal is something you do, make, or show to give information or an instruction to someone else. Unlike a 'sign,' which can be a natural occurrence (like dark clouds being a sign of rain), a signal usually implies an intentionality—someone or something is sending a specific message to a receiver. This can be a physical movement, a sound, or even a technical transmission like a radio wave. In our modern world, we are surrounded by signals, from the green light that tells us to drive to the three bars on our smartphones that indicate we have a connection to the internet.

Visual Signals
These are signals we see with our eyes. A common example is a hand gesture. If you wave your hand at a taxi, you are giving a signal that you want a ride. In sports, a referee uses hand signals to indicate a foul or a score. These visual cues are essential when distance or noise makes speaking impossible.

The captain raised a flare to give the signal for the rescue boats to approach.

Beyond the physical, 'signal' is often used in an abstract sense to describe events that suggest a change or a trend. For instance, an increase in interest rates might be a signal that the economy is slowing down. In social situations, we talk about 'mixed signals' when someone's behavior is confusing or contradictory, making it hard to understand their true intentions. This abstract usage is very common in business, politics, and psychology, where people look for 'signals' of future behavior or hidden meanings.

Auditory Signals
These are signals we hear. Think of a fire alarm, a school bell, or a car horn. These sounds are designed to grab our attention and convey a specific message immediately, such as 'danger,' 'class is starting,' or 'watch out!'

A loud whistle served as the signal to begin the race.

In the context of technology, a signal refers to the electrical or electromagnetic waves that carry data. When you say you have 'no signal' on your phone, you mean your device isn't receiving the necessary radio waves from a cell tower to function. This technical definition is perhaps the most frequent way the word is used in the 21st century, as our lives depend on digital signals for communication, entertainment, and navigation.

Biological Signals
In science, signals are the way cells and organs communicate. Nerve signals are electrical impulses that travel through your body to tell your brain you've touched something hot or to tell your muscles to move.

The brain sends a signal to the heart to beat faster during exercise.

The sudden drop in temperature was a clear signal that winter had arrived.

Ultimately, whether it is a smoke signal from a mountaintop, a digital signal on a screen, or a subtle nod of the head, a signal is a bridge between two entities, carrying meaning across a gap. It is the fundamental building block of coordination and understanding in both the natural and human-made worlds.

Using the word signal correctly requires understanding its role as a countable noun in most contexts. You can have 'a signal,' 'the signal,' or 'many signals.' It is frequently paired with verbs like 'give,' 'send,' 'receive,' and 'pick up.' For example, you might 'give a signal' to start a meeting, or your phone might 'pick up a signal' in a remote area. The word often precedes a prepositional phrase, most commonly 'for' or 'to,' to explain what the signal is intended to achieve.

Signal for + Noun
This structure identifies the purpose of the signal. 'The bell was the signal for lunch.' Here, the bell is the object, and lunch is the event it triggers.

The referee blew his whistle as a signal for the end of the game.

Another common pattern is 'signal to + verb.' This describes the action that the receiver should take upon getting the signal. 'She gave a signal to stop.' This is very common in instructional or command-based environments. Additionally, 'signal' can be modified by adjectives to describe its quality or clarity. A 'clear signal' is easy to understand, while a 'faint signal' or 'weak signal' is difficult to perceive or interpret.

Adjective + Signal
Common pairings include: clear signal, strong signal, weak signal, distress signal, warning signal, and mixed signals. Each of these adds a layer of meaning to how the communication is being sent or received.

We are receiving a very weak signal from the satellite, making data collection difficult.

In more formal or academic writing, 'signal' is often used with 'that' clauses. For example, 'The company's decision is a signal that they are ready to expand.' This usage allows the writer to explain a complex idea or a future intention that the signal represents. It is a powerful way to link an action to its deeper meaning.

Signal + That Clause
Used to indicate a broader implication. 'The low turnout was a signal that the public is unhappy with the current policy.'

His silence was taken as a signal that he did not agree with the proposal.

The ship sent out a distress signal after hitting an iceberg.

By mastering these patterns, you can use 'signal' to describe everything from a simple nod to complex economic indicators. It is a word that helps you articulate how information moves through the world and how we interpret the actions of others.

The word signal is ubiquitous in daily life, appearing in various domains from technology to social interactions. Perhaps the most common place you will hear it today is in relation to mobile phones and the internet. People frequently complain about 'losing the signal' or having 'a poor signal' when they are in elevators, basements, or rural areas. In this context, 'signal' has become a vital commodity that determines our ability to stay connected.

In Technology
'I can't hear you, the signal is breaking up.' 'We need to boost the Wi-Fi signal in the back bedroom.' 'The satellite signal was lost during the storm.'

I'm sorry, I have to hang up; I'm entering a tunnel and I'm going to lose my signal.

In the world of transportation, 'signal' is a daily necessity. Drivers use 'turn signals' (also called indicators or blinkers) to tell other drivers where they are going. Traffic signals—the red, yellow, and green lights—regulate the flow of millions of vehicles. On railways, signals are complex systems of lights and arms that prevent trains from colliding. In these cases, a signal is a matter of safety and life-or-death coordination.

In Transportation
'Don't forget to use your turn signal before you change lanes.' 'The train was delayed because of a signal failure.' 'The traffic signal turned red just as I reached the intersection.'

The pilot waited for the signal from the control tower before taking off.

In business and finance, 'signals' are indicators that professional analysts watch closely. A company might 'signal' its confidence by increasing dividends, or a central bank might 'signal' a future rate hike through its public statements. Here, the word is used to describe the communicative power of actions that aren't necessarily words. Even in sports, the word is constant: 'The quarterback gave the signal to start the play,' or 'The coach gave a signal from the sidelines.'

In Business & Sports
'The stock market drop is a signal of economic uncertainty.' 'The catcher gave a signal to the pitcher for a curveball.' 'The CEO's resignation sent a negative signal to investors.'

The referee's hand signal confirmed that the goal was valid.

The hiker used a mirror to create a flash signal for the search helicopter.

From the invisible waves carrying your text messages to the subtle nod of a friend across a crowded room, 'signal' is the word we use to describe how we reach out and make ourselves understood without always using spoken language.

One of the most frequent errors learners make is confusing signal with the word sign. While they are related, they are not interchangeable. A 'sign' is often something that exists naturally or is a static object that provides information (like a street sign or a sign of aging). A 'signal,' however, is usually an action or a transmission that is 'sent' or 'given' at a specific moment to trigger a response. You see a 'Stop Sign' (the physical board), but you wait for the 'Traffic Signal' (the changing light) to turn green.

Signal vs. Sign
Use 'sign' for static indicators: 'The sign says the shop is closed.' Use 'signal' for active communication: 'He gave me a signal to come inside.'

Incorrect: The clouds are a signal of rain. Correct: The clouds are a sign of rain.

Another common mistake involves prepositions. Learners often say 'signal of' when they should use 'signal for' or 'signal that.' While 'signal of' is sometimes used in technical contexts (e.g., 'a signal of 50Hz'), in general English, we give a 'signal for' an action to happen. For example, 'The bell is the signal for the start of the race,' not 'the signal of the start.' If you want to describe a meaning, use 'signal that': 'The news is a signal that things are improving.'

Preposition Errors
Wrong: 'He gave a signal of me to leave.' Right: 'He gave a signal for me to leave.' Wrong: 'The light is a signal to stop.' (Actually, this one is correct! 'Signal to' + verb is great.)

The flare was a signal for the troops to advance, not a signal of the troops.

In the context of technology, avoid using 'signal' when you mean 'connection' or 'reception' in a general sense, though they are related. While you can say 'I have a bad signal,' you wouldn't say 'My signal is broken' if your phone is physically damaged. 'Signal' refers to the wave itself, not the device or the service contract.

Technical Misuse
Don't say 'I don't have internet signal' (though understandable). It's more natural to say 'I don't have a Wi-Fi signal' or 'I don't have any bars.'

The radio signal was blocked by the mountains, causing the broadcast to fail.

She gave a subtle signal with her eyes to let him know it was time to leave.

By paying attention to these nuances—intentionality vs. natural occurrence, correct prepositions, and specific technical contexts—you will use 'signal' with the precision of a native speaker.

To truly master signal, it's helpful to compare it with its synonyms and understand the subtle differences in their meanings. While 'signal' is a broad term, words like 'cue,' 'indicator,' 'gesture,' and 'alert' offer more specific shades of meaning depending on the context.

Signal vs. Cue
A 'cue' is a specific type of signal that tells someone it is their turn to do something, especially in a performance or social setting. An actor waits for their 'cue' to enter the stage. A 'signal' is more general and can be a warning or a transmission of data.

The teacher's nod was the signal for the students to begin, but the music was the cue for the dance to start.

'Indicator' is another close relative. An indicator is something that shows the state or level of something. A thermometer is an indicator of temperature. While a 'signal' is often an event (the light turns red), an 'indicator' is often a measurement or a sign of a trend. In a car, the 'turn signal' is also called an 'indicator' because it indicates your direction.

Signal vs. Indicator
Use 'signal' for an active message or transmission. Use 'indicator' for something that points to a condition or trend. 'High unemployment is an indicator of a weak economy.'

The flashing light was a warning signal, while the gauge was an indicator of low fuel.

In emergency or high-priority situations, you might use 'alert' or 'alarm.' An 'alert' is a signal that tells people to be prepared for danger or a specific event. An 'alarm' is a signal that tells people that danger is happening right now. 'Signal' is the most neutral of these terms.

Signal vs. Alert/Alarm
A signal is any message. An alert is a 'heads-up' message. An alarm is a 'run now' message. 'The siren was a signal to evacuate, acting as both an alert and an alarm.'

The phone's notification was a signal that a new message had arrived, serving as a quiet alert.

The beacon sends out a constant signal to guide ships through the fog.

By choosing the right word—whether it's the specific 'cue,' the analytical 'indicator,' or the general 'signal'—you can make your English more precise and expressive.

چقدر رسمی است؟

رسمی

""

خنثی

""

غیر رسمی

""

Child friendly

""

عامیانه

""

نکته جالب

The use of 'signal' to mean 'notable' or 'distinguished' (as in 'a signal success') was very common in the 18th and 19th centuries but is rarely used today.

راهنمای تلفظ

UK /ˈsɪɡ.nəl/
US /ˈsɪɡ.nəl/
First syllable (SIG-nal)
هم‌قافیه با
original (partial) abyssal dismissal bristle thistle whistle missile fissile
خطاهای رایج
  • Pronouncing the 'g' as silent (like in 'sign').
  • Stressing the second syllable (sig-NAL).
  • Using a long 'i' sound (SIEG-nal).
  • Confusing it with 'single'.
  • Dropping the 'l' sound at the end.

سطح دشواری

خواندن 3/5

Easy to recognize in context, but abstract meanings can be tricky.

نوشتن 4/5

Requires knowledge of correct prepositions (for/to/that).

صحبت کردن 3/5

Pronunciation is straightforward once the hard 'g' is mastered.

گوش دادن 2/5

Commonly used in daily life and easy to hear.

بعداً چه یاد بگیریم؟

پیش‌نیازها

sign light sound message phone

بعداً یاد بگیرید

indicator transmission reception cue gesture

پیشرفته

semiotics information theory hawkish/dovish volatility degradation

گرامر لازم

Countable vs. Uncountable

Use 'a signal' for an event, but 'signal' (uncountable) for general reception.

Preposition 'For'

The bell is the signal FOR lunch (purpose).

Preposition 'To'

He gave a signal TO stop (action).

That Clauses

It was a signal THAT the economy was failing (explanation).

Adjective Placement

Always place the descriptive adjective before 'signal' (e.g., 'strong signal').

مثال‌ها بر اساس سطح

1

The traffic signal is red, so we must stop.

Lampu isyarat itu merah, jadi kita mesti berhenti.

Used as a countable noun with the definite article 'the'.

2

He gave a hand signal to say hello.

Dia memberi isyarat tangan untuk menyapa.

Compound noun: 'hand signal'.

3

Wait for the signal to start the game.

Tunggu isyarat untuk memulakan permainan.

Used with the prepositional phrase 'to start'.

4

The school bell is a signal for lunch.

Loceng sekolah adalah isyarat untuk makan tengah hari.

Used with 'for' to show purpose.

5

I see a light signal from the boat.

Saya melihat isyarat cahaya dari bot itu.

Simple adjective-noun pair: 'light signal'.

6

The teacher used a signal to be quiet.

Guru menggunakan isyarat untuk diam.

Used with an infinitive 'to be quiet'.

7

Is that a signal for me?

Adakah itu isyarat untuk saya?

Interrogative form.

8

The green signal means you can go.

Isyarat hijau bermaksud anda boleh pergi.

Subject of the sentence.

1

I have no phone signal in this building.

Saya tidak mempunyai isyarat telefon di dalam bangunan ini.

Used as an uncountable noun here, meaning 'reception'.

2

The driver forgot to use his turn signal.

Pemandu itu lupa menggunakan isyarat membeloknya.

Specific technical term: 'turn signal'.

3

We are picking up a radio signal from the station.

Kami sedang menerima isyarat radio dari stesen itu.

Verb phrase: 'picking up a signal'.

4

She sent a signal with a small mirror.

Dia menghantar isyarat dengan cermin kecil.

Verb 'send' used with 'signal'.

5

The smoke was a signal for the rescue team.

Asap itu adalah isyarat untuk pasukan penyelamat.

Noun as a complement.

6

The Wi-Fi signal is very strong in the kitchen.

Isyarat Wi-Fi sangat kuat di dapur.

Modified by the adjective 'strong'.

7

They used a whistle as a signal to stop.

Mereka menggunakan wisel sebagai isyarat untuk berhenti.

Used with 'as a signal to'.

8

The computer is not receiving a signal from the mouse.

Komputer tidak menerima isyarat daripada tetikus.

Present continuous negative.

1

The lighthouse provides a vital signal for ships at sea.

Rumah api itu menyediakan isyarat penting untuk kapal di laut.

Adjective 'vital' adds emphasis.

2

A sudden drop in sales is a signal that we need to change our strategy.

Penurunan jualan secara tiba-tiba adalah isyarat bahawa kita perlu mengubah strategi kita.

Used with a 'that' clause to show implication.

3

I think I’m getting mixed signals from my boss about the promotion.

Saya rasa saya mendapat isyarat bercampur-campur daripada bos saya tentang kenaikan pangkat itu.

Idiom: 'mixed signals'.

4

The pilot sent a distress signal when the engine failed.

Juruterbang itu menghantar isyarat kecemasan apabila enjin gagal.

Specific term: 'distress signal'.

5

The nod of her head was a clear signal of approval.

Anggukan kepalanya adalah isyarat jelas persetujuan.

Used with 'of' to show the nature of the signal.

6

The referee's signal was misunderstood by the players.

Isyarat pengadil itu telah disalah faham oleh para pemain.

Passive voice construction.

7

The alarm serves as a signal for everyone to evacuate the building.

Penggera itu berfungsi sebagai isyarat untuk semua orang mengosongkan bangunan.

Verb 'serves as' defines the function.

8

The satellite signal was interrupted by the heavy rain.

Isyarat satelit telah terganggu oleh hujan lebat.

Technical usage in a passive sentence.

1

The company's decision to invest in green energy is a signal to the market.

Keputusan syarikat untuk melabur dalam tenaga hijau adalah isyarat kepada pasaran.

Abstract usage in a business context.

2

Nerve signals travel at incredible speeds throughout the human body.

Isyarat saraf bergerak pada kelajuan yang luar biasa di seluruh tubuh manusia.

Scientific/Biological usage.

3

The government's silence on the issue was a signal of their indecision.

Diamnya kerajaan mengenai isu itu adalah isyarat ketidaktentuan mereka.

Interpreting 'silence' as a signal.

4

The radio telescope is designed to detect signals from distant galaxies.

Teleskop radio itu direka untuk mengesan isyarat dari galaksi yang jauh.

Technical/Scientific usage.

5

The coach gave a subtle signal to the players to change their formation.

Jurulatih itu memberi isyarat halus kepada pemain untuk menukar formasi mereka.

Adjective 'subtle' describes the nature of the signal.

6

The price increase was a signal that inflation was starting to rise.

Kenaikan harga adalah isyarat bahawa inflasi mula meningkat.

Economic context with a 'that' clause.

7

We need to filter out the noise to find the actual signal in the data.

Kita perlu menapis bunyi bising untuk mencari isyarat sebenar dalam data.

Metaphorical/Technical 'signal vs noise'.

8

The flare acted as a signal, lighting up the night sky for the rescuers.

Suar itu bertindak sebagai isyarat, menerangi langit malam untuk para penyelamat.

Verb 'acted as' used for function.

1

The central bank's hawkish tone was a signal of an impending interest rate hike.

Nada 'hawkish' bank pusat adalah isyarat kenaikan kadar faedah yang akan datang.

Sophisticated financial terminology ('hawkish').

2

The intricate dance of the honeybee is a complex signal used to locate food.

Tarian rumit lebah madu adalah isyarat kompleks yang digunakan untuk mencari makanan.

Biological context with complex adjectives.

3

Her choice of attire was a deliberate signal of her defiance against the traditional norms.

Pilihan pakaiannya adalah isyarat sengaja penentangannya terhadap norma tradisional.

Sociological usage describing intentionality.

4

The diplomatic signal sent by the withdrawal of the ambassador was unmistakable.

Isyarat diplomatik yang dihantar melalui penarikan balik duta itu tidak dapat disangkal lagi.

Political context with a passive relative clause.

5

In information theory, the signal is the meaningful part of a message.

Dalam teori maklumat, isyarat adalah bahagian bermakna dalam sesuatu mesej.

Academic/Theoretical definition.

6

The brain's ability to process visual signals is one of the wonders of biology.

Keupayaan otak untuk memproses isyarat visual adalah salah satu keajaiban biologi.

Scientific usage with a gerund phrase.

7

The sudden volatility in the stock market is often a signal of underlying instability.

Ketidaktentuan mendadak dalam pasaran saham sering kali menjadi isyarat ketidakstabilan asas.

Abstract usage in finance.

8

The artist used light as a signal to draw the viewer's eye to the center of the canvas.

Artis itu menggunakan cahaya sebagai isyarat untuk menarik mata penonton ke tengah kanvas.

Metaphorical usage in art criticism.

1

The semiotic analysis explores how the signal functions within the broader cultural discourse.

Analisis semiotik meneroka bagaimana isyarat berfungsi dalam wacana budaya yang lebih luas.

Highly academic/philosophical context.

2

The degradation of the signal over long distances is a primary challenge in fiber optics.

Degradasi isyarat pada jarak jauh merupakan cabaran utama dalam gentian optik.

Technical/Engineering context.

3

His resignation was a powerful signal that the old guard was finally losing its grip on power.

Peletakan jawatannya adalah isyarat kuat bahawa pengawal lama akhirnya kehilangan cengkaman kuasa.

Metaphorical usage with political idioms ('old guard').

4

The pulsar emits a rhythmic signal that allows astronomers to map the surrounding space.

Pulsar itu memancarkan isyarat berirama yang membolehkan ahli astronomi memetakan ruang sekeliling.

Astrophysical context.

5

The subtle linguistic signals in the text suggest a hidden layer of irony.

Isyarat linguistik halus dalam teks itu mencadangkan lapisan ironi yang tersembunyi.

Literary analysis.

6

The hormone acts as a signal, triggering a cascade of biochemical reactions within the cell.

Hormon itu bertindak sebagai isyarat, mencetuskan lata tindak balas biokimia dalam sel.

Advanced biological/chemical usage.

7

The architect used the building's orientation as a signal of its relationship to the sun.

Arkitek menggunakan orientasi bangunan sebagai isyarat hubungannya dengan matahari.

Abstract architectural concept.

8

Deciphering the encrypted signal required months of intensive computational effort.

Mendekod isyarat yang disulitkan memerlukan berbulan-bulan usaha pengkomputeran yang intensif.

Cryptographic context.

ترکیب‌های رایج

clear signal
mixed signals
traffic signal
distress signal
radio signal
send a signal
pick up a signal
warning signal
digital signal
give the signal

عبارات رایج

no signal

signal failure

turn signal

smoke signal

hand signal

signal strength

audio signal

signal for help

give a signal

wait for the signal

اغلب اشتباه گرفته می‌شود با

signal vs sign

A sign is often a static object or a natural indicator. A signal is usually an intentional act or a technical wave.

signal vs single

A common spelling or pronunciation error. 'Single' means one; 'signal' is a message.

signal vs symbol

A symbol represents an idea; a signal usually triggers an action or carries data.

اصطلاحات و عبارات

"mixed signals"

Conflicting or confusing information or behavior from someone.

He's giving me mixed signals; one day he's friendly, the next he's cold.

informal

"signal a change"

To indicate that a new situation or trend is beginning.

The new policy signals a change in the company's direction.

neutral

"virtue signaling"

The action of expressing opinions intended to demonstrate one's good character.

Some people criticized his social media post as mere virtue signaling.

informal/political

"send a clear signal"

To make one's intentions or position very obvious.

The court's ruling sends a clear signal that corruption will not be tolerated.

formal

"pick up on the signals"

To notice and understand subtle hints or cues.

I didn't pick up on the signals that she was unhappy until it was too late.

neutral

"signal the end"

To be the event that shows something is finished.

The bell signaled the end of the final round.

neutral

"a signal honor"

A very great or distinguished honor (rare/archaic).

It was a signal honor to be invited to the palace.

formal

"read the signals"

To interpret the signs or indicators of a situation.

Investors are trying to read the signals from the Federal Reserve.

neutral

"give the green light"

While not using the word 'signal', it refers to the green traffic signal meaning 'go'.

The boss finally gave the green light for the project.

informal

"signal success"

An outstanding or notable success (archaic).

The mission was a signal success for the space agency.

formal

به‌راحتی اشتباه گرفته می‌شود

signal vs sign

Similar spelling and related meaning.

A sign is a general indicator (e.g., a sign of the times), while a signal is a specific, often intentional message (e.g., a smoke signal).

The 'Open' sign was on, but he waited for a signal to enter.

signal vs cue

Both mean a prompt for action.

A cue is specifically used in performances or social timing. A signal is more general and can include technical data.

The music was her cue to dance, but the light was the signal to start the show.

signal vs indicator

Both show the state of something.

An indicator is usually a measurement or a sign of a trend. A signal is an active transmission.

The thermometer is an indicator of heat, but the alarm is a signal of fire.

signal vs gesture

Both can be hand movements.

A gesture is specifically a body movement. A signal can be a sound, light, or wave.

A wave is a gesture that serves as a signal of greeting.

signal vs alert

Both warn people.

An alert is a specific type of signal that indicates danger or readiness.

The siren was a signal that acted as an emergency alert.

الگوهای جمله‌سازی

A1

The [Noun] is a signal.

The light is a signal.

A2

I have [Adjective] signal.

I have no signal.

B1

Give a signal to [Verb].

He gave a signal to start.

B1

A signal for [Noun].

The bell is a signal for lunch.

B2

It is a signal that [Clause].

It is a signal that the rain is coming.

B2

Send a signal to [Receiver].

The company sent a signal to the market.

C1

[Noun] acts as a signal of [Abstract Noun].

Silence acts as a signal of disapproval.

C2

The [Adjective] signal [Verb] [Context].

The encrypted signal requires advanced decoding.

خانواده کلمه

اسم‌ها

فعل‌ها

صفت‌ها

مرتبط

نحوه استفاده

frequency

Very common in both spoken and written English.

اشتباهات رایج
  • The dark clouds are a signal of rain. The dark clouds are a sign of rain.

    Natural events are usually 'signs,' not 'signals,' because there is no intentional sender.

  • I have no sign on my phone. I have no signal on my phone.

    In technology, we use 'signal' to refer to reception or waves.

  • He gave a signal of me to go. He gave a signal for me to go.

    The correct preposition to show who the signal is for or what it triggers is 'for'.

  • The bell was the signal to lunch. The bell was the signal for lunch.

    Use 'for' before a noun and 'to' before a verb.

  • I'm getting a mixed signal from him. I'm getting mixed signals from him.

    The idiom is almost always used in the plural form.

نکات

Signal vs. Sign

Always use 'signal' when there is an intention to communicate a specific instruction at a specific time.

Prepositions Matter

Use 'signal for' for events and 'signal to' for actions. This makes your English sound more natural.

Don't Forget the G

Remember to pronounce the 'g' in signal. It's a common mistake to treat it like the word 'sign'.

Mixed Signals

Learn the idiom 'mixed signals' as it is very common in social and romantic discussions.

Tech Talk

In the digital age, 'signal' almost always refers to phone or Wi-Fi reception when used in casual conversation.

Abstract Signals

In essays, use 'signal' to describe how one event might indicate a larger trend or a future outcome.

Emergency Signals

Knowing terms like 'distress signal' or 'warning signal' is important for safety and emergency contexts.

Reading the Room

We often 'read signals' from people's body language to understand how they are feeling.

Business Indicators

In finance, look for 'market signals' to understand where the economy might be heading.

Visual Aids

Associate the word 'signal' with a traffic light to remember its core meaning of giving instructions.

حفظ کنید

روش یادسپاری

Think of a 'SIGn' that tells you what to 'do' (SIG-nal). The 'g' in signal is 'Great' because it's not silent like in sign!

تداعی تصویری

Imagine a bright green traffic light in the middle of a dark street. That light is a 'signal' telling you it is safe to move forward.

شبکه واژگان

Communication Technology Gesture Warning Radio Traffic Nerve Economic

چالش

Try to identify three different 'signals' you see or hear in the next hour. One must be technical, one must be human, and one must be environmental.

ریشه کلمه

The word 'signal' comes from the Old French word 'signale,' which in turn is derived from the Medieval Latin 'signale.' This Latin word comes from 'signum,' meaning 'a mark, sign, or token.'

معنای اصلی: Originally, it referred to a sign or mark used to distinguish something or to give an instruction.

Indo-European (Latin branch)

بافت فرهنگی

Be aware of 'virtue signaling' as a modern, often critical term in political discussions.

In the UK, 'signal' is the standard term for railway lights. In the US, 'turn signal' is common, while in other regions, 'indicator' is preferred.

The 'Bat-Signal' from DC Comics used to call Batman. Morse code SOS signal (Save Our Souls). The Paul Revere signal: 'One if by land, two if by sea.'

تمرین در زندگی واقعی

موقعیت‌های واقعی

Driving

  • Use your turn signal
  • Traffic signal
  • Wait for the signal
  • Signal a lane change

Technology

  • No signal
  • Weak signal
  • Pick up a signal
  • Digital signal

Sports

  • Referee's signal
  • Signal to start
  • Hand signal
  • Give the signal

Business

  • Market signal
  • Send a signal to investors
  • Signal a change in policy
  • Clear signal of growth

Relationships

  • Mixed signals
  • Read the signals
  • Pick up on signals
  • Send the wrong signal

شروع‌کننده‌های مکالمه

"Have you ever been in a place with absolutely no phone signal for a long time?"

"Do you think it's easy to read the signals people give in social situations?"

"What is the most important traffic signal in your city?"

"Have you ever received mixed signals from someone you were dating?"

"How do you think animals send signals to each other in the wild?"

موضوعات نگارش

Describe a time when you completely misunderstood a signal from someone else. What happened?

Write about the importance of digital signals in your daily life. What would you do without them?

Discuss a recent event in the news that you think is a signal of a larger trend in society.

Reflect on the 'signals' you send to the world through your clothing and body language.

Imagine a world where all technical signals stopped working for 24 hours. Describe the day.

سوالات متداول

10 سوال

It can be both! As a noun, it means a message or a wave (e.g., 'The signal was clear'). As a verb, it means the act of sending that message (e.g., 'He signaled for the waiter'). This entry focuses on the noun usage.

They are mostly the same. 'Traffic light' is the common name for the physical object. 'Traffic signal' is a slightly more formal or technical term for the system that controls traffic.

It is better to say 'Wi-Fi signal' or 'mobile data signal.' 'Internet' is the network, while 'signal' is the physical wave that connects you to it.

It means one person is acting in confusing ways—sometimes showing they like you and other times acting like they don't. It's a very common informal idiom.

No, it is not silent. It is pronounced like the 'g' in 'go' or 'dog'. This is different from the word 'sign' where the 'g' is silent.

You use it to describe actions that hint at future plans. For example, 'The CEO's visit to the factory was a signal of upcoming changes.'

It is a universal signal (like SOS or a flare) used to show that you are in great danger and need immediate help.

Yes, it is a countable noun. You can say 'The referee gave several signals during the match.'

It means your phone cannot find a radio wave from a cell tower, so you cannot make calls or use mobile data.

It is a movement of the hand that has a specific meaning, like a thumbs-up or a wave to stop.

خودت رو بسنج 200 سوال

writing

Write a sentence using 'signal' to describe a traffic light.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'no signal' in the context of a mobile phone.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'mixed signals' about a friend.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'signal' as a noun to describe a warning.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'signal' to describe an economic trend.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Describe a hand signal you use often.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'distress signal'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'signal' and the preposition 'for'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'signal' and the preposition 'to'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'signal' and a 'that' clause.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Describe what happens when a phone loses its signal.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence about a 'radio signal'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence about a 'referee's signal'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'clear signal'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'signal failure'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence about 'nerve signals'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'signal' in a formal context.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'turn signal'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'smoke signal'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
writing

Write a sentence using 'digital signal'.

خوب نوشتید! تلاش خوبی بود! پاسخ نمونه را ببینید.

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Pronounce the word 'signal' clearly. Ensure the 'g' is heard.

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Explain what a 'traffic signal' is in your own words.

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Describe a time you had 'no signal' on your phone.

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

What does it mean if someone gives you 'mixed signals'?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

How do referees use signals in your favorite sport?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Why are signals important for safety?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

What is a 'distress signal' and when would you use one?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Discuss the difference between a 'sign' and a 'signal'.

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

How do digital signals change the way we live?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

What are some common hand signals in your culture?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Explain the phrase 'signal a change'.

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

What happens during a 'signal failure' on a train line?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

How do animals use signals to communicate?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

What is 'virtue signaling' and why do people talk about it?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

How do you 'read the signals' in a business meeting?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

What is a 'smoke signal' and who used them?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Describe the 'Bat-Signal'.

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Why do we use 'turn signals' in cars?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

What is the importance of 'signal strength' for Wi-Fi?

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
speaking

Give an example of a 'warning signal'.

این را بلند بخوانید:

درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the description: 'A loud, ringing sound that tells students to go to their next class.' What is this signal?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the scenario: 'You are driving and see a light change from green to yellow.' What is this signal telling you?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the phrase: 'I'm losing you, the signal is breaking up.' Where is the speaker likely to be?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the sound of a whistle. In a sports match, what does this signal mean?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the description: 'A bright light flashed from a ship at night.' What is the ship likely doing?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the news report: 'The central bank's announcement was a signal to investors.' What was the announcement?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the sound of a car's 'tick-tock'. What signal is the driver using?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the description: 'A person waving their arms frantically on a deserted island.' What are they sending?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the technical term: 'Signal-to-noise ratio.' What does this refer to?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the phrase: 'He gave the green light.' What does this idiom mean?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the description: 'Three short beeps, three long beeps, three short beeps.' What is this signal?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the warning: 'The low fuel signal is on.' What should the driver do?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the social context: 'She's giving me mixed signals.' Is the speaker happy or confused?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the description: 'A flare burning brightly in the night sky.' What is its purpose?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:
listening

Listen to the sentence: 'The Wi-Fi signal is dropping.' What is happening to the internet connection?

درسته! نه دقیقاً. پاسخ صحیح:
درسته! نه دقیقاً. پاسخ صحیح:

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