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B2 verb #1,600 सबसे आम 11 मिनट पढ़ने का समय

flexible

शीर्ष 1,600

At the A1 level, learners are introduced to the most basic, physical meaning of the word flexible. Imagine a ruler made of plastic that you can bend without breaking it. That ruler is flexible. Beginners learn this word alongside other basic adjectives describing physical properties, such as big, small, hard, and soft. It is a useful word for describing everyday objects. For example, a student might learn to say, 'My shoes are soft and flexible,' or 'The rubber band is flexible.' The focus at this stage is purely on the tangible, physical world. Teachers might use visual aids, like bending a piece of wire or a pipe cleaner, to demonstrate the concept clearly. At this level, the grammar is kept very simple, typically using the verb 'to be' (e.g., 'It is flexible'). Learners are not yet expected to understand the metaphorical uses of the word regarding time or personality. The goal is simply to recognize the word, pronounce it correctly, and associate it with the physical action of bending. This foundational understanding is crucial because it sets the stage for the more complex, abstract meanings that will be introduced in later stages of language learning. Simple opposites like 'hard' or 'stiff' might be introduced alongside it to provide contrast and reinforce the meaning.

As learners progress to the A2 level, their understanding of flexible begins to expand slightly beyond just physical objects. While they still use it to describe things that bend, they start to apply it to simple concepts of time and scheduling. An A2 learner might learn phrases like 'flexible time' or understand a sentence like, 'My schedule is flexible.' This is a significant step because it introduces the idea that abstract things can also 'bend' or change. In everyday contexts, such as making plans with friends or talking about school routines, this word becomes very handy. For instance, if a friend asks, 'What time should we meet?' an A2 learner can confidently reply, 'I am flexible.' This shows a growing ability to navigate social interactions in English. They also begin to see the word in simple reading texts, perhaps in a short advertisement for a gym ('Become more flexible!') or a basic job description. The grammar structures used with the word become slightly more varied, incorporating basic prepositions, though complex collocations are still avoided. The focus remains on clear, practical communication in familiar, everyday situations, building a bridge between the purely physical definition and the broader, more abstract applications.

At the B1 level, the word flexible becomes a core part of the learner's active vocabulary, used comfortably in both physical and abstract contexts. Learners at this stage can discuss flexibility in the workplace, understanding concepts like 'flexible working hours' and 'flexible conditions'. They can describe people's personalities, recognizing that a 'flexible person' is someone who is easy to work with and willing to compromise. This metaphorical use is fully integrated into their understanding. A B1 learner can express opinions and preferences using the word, such as, 'I prefer this job because the hours are more flexible.' They also start to use the negative form, 'inflexible', to describe strict rules or stubborn people. In terms of grammar, they can use flexible with a wider range of verbs and in more complex sentence structures, including conditional sentences ('If you are flexible, we can work together'). They might encounter the word in news articles, intermediate-level podcasts, and everyday conversations about lifestyle and work-life balance. The distinction between physical flexibility (like in yoga) and mental/scheduling flexibility is clear, and they can switch between these meanings effortlessly depending on the context of the conversation.

At the B2 level, learners have a nuanced and sophisticated understanding of the word flexible. They can use it accurately in a wide range of professional, academic, and social contexts. They understand and use common collocations such as 'highly flexible', 'flexible approach', and 'flexible strategy'. In professional environments, they can participate in discussions about agile methodologies, adaptable business models, and flexible negotiation tactics. They recognize the subtle positive connotations of the word when applied to a person's character—implying open-mindedness and resilience—compared to the negative connotations of being 'rigid' or 'inflexible'. A B2 learner can also navigate the subtle differences between flexible and its synonyms, such as 'adaptable', 'versatile', and 'pliable', choosing the most appropriate word for the specific situation. They can write formal emails requesting flexible arrangements or essays discussing the importance of flexibility in modern society. The word is no longer just a vocabulary item to be translated; it is a concept that they can manipulate to express complex ideas about change, compromise, and physical properties with near-native fluency and accuracy.

At the C1 level, the use of flexible is effortless and highly precise. Learners at this advanced stage use the word naturally in complex, abstract discussions, such as debating economic policies ('flexible exchange rates'), analyzing psychological traits ('cognitive flexibility'), or discussing advanced engineering concepts ('flexible materials in aerospace'). They are fully aware of the register and tone associated with the word, knowing when it sounds formal, professional, or casual. They use advanced collocations and idiomatic expressions seamlessly. A C1 learner can read between the lines; for example, if a company describes its roles as requiring 'extreme flexibility', the learner understands this might be a euphemism for unpredictable hours or a chaotic work environment. They can manipulate the word family easily, switching between 'flexible', 'flexibility', 'inflexibly', and the verb 'flex' (both in its literal and slang senses) without hesitation. Their writing and speaking demonstrate a mastery of how flexibility operates as a core concept in modern English discourse, allowing them to articulate sophisticated arguments about adaptability in a rapidly changing world.

At the C2 level, mastery of the word flexible is absolute, indistinguishable from that of a highly educated native speaker. The learner grasps every subtle nuance, historical context, and cultural implication of the word. They can employ it in highly specialized fields, such as law, medicine, or advanced physics, understanding exactly how the definition shifts in those specific jargon-heavy contexts. A C2 user plays with the word, perhaps using it ironically or metaphorically in creative writing or high-level rhetoric. They understand the sociolinguistic aspects of the word—how the demand for a 'flexible workforce' reflects broader macroeconomic trends and labor relations. They can deconstruct arguments based on the concept of flexibility and articulate highly nuanced critiques. The word is deeply embedded in their lexical matrix, connected to hundreds of other concepts, synonyms, and antonyms. They do not just use the word; they command it, utilizing its full semantic range to express the most complex, abstract, and delicate shades of meaning possible in the English language.

इसका अभ्यास करें उदाहरण नोट्स और सुझाव

flexible 30 सेकंड में

Can bend without breaking.
Able to change easily.
Adaptable to new situations.
Not rigid or strict.

The word flexible is an incredibly versatile adjective in the English language, used to describe both physical properties and abstract concepts. At its core, being flexible means having the ability to bend easily without breaking. When you think of a gymnast, a rubber band, or a willow tree, you are picturing physical flexibility. However, in everyday conversation, especially at the B2 level, flexible is frequently used to describe people, plans, and systems that can adapt to new situations. If a person is flexible, they are willing to change their ideas or behavior to suit different circumstances. If a schedule is flexible, it is not strictly fixed and can be altered as needed. Understanding the dual nature of this word—physical and metaphorical—is essential for mastering its use in English.

The new yoga instructor is incredibly flexible.

In the modern workplace, flexibility is highly valued. Employers often look for candidates who can handle changing priorities and unexpected challenges. This abstract form of flexibility is what allows teams to pivot during a crisis or individuals to maintain a healthy work-life balance. When we describe a material as flexible, we are talking about its physical elasticity and pliability. When we describe a human mind or a set of rules as flexible, we are talking about adaptability and open-mindedness.

Physical Context: Refers to materials or bodies that can bend, stretch, or contort without sustaining damage.

We need a more flexible material for this pipe.

Consider the difference between a rigid structure and a flexible one. A rigid building might crack during an earthquake, whereas a flexible structure will sway and remain intact. This principle applies perfectly to human psychology and scheduling. A rigid schedule causes stress when a delay occurs, but a flexible schedule accommodates the delay effortlessly. This makes flexible a highly positive attribute in most contexts.

Abstract Context: Refers to rules, plans, or personalities that can be modified or adjusted easily.

My working hours are quite flexible.

It is also worth noting that flexibility is a spectrum. Something can be slightly flexible, highly flexible, or completely inflexible. The antonym, inflexible, is just as common and is often used to criticize stubborn people or strict rules. When learning this word, try to associate it with imagery of bending, adapting, and flowing with the current rather than resisting it.

Linguistic Root: Derived from the Latin 'flexibilis', meaning 'that may be bent'.

She has a very flexible approach to problem-solving.

To truly master the word flexible, you should practice using it in various sentences. Think about your own life: Are you a flexible person? Is your schedule flexible? Do you use flexible materials in your hobbies or work? By applying the word to your personal experiences, its meaning will become deeply ingrained in your vocabulary.

The rules are not flexible in this institution.

Using the word flexible correctly involves understanding its grammatical function as an adjective. It modifies nouns, such as 'schedule', 'person', 'material', or 'approach'. You will often see it used with the verb 'to be' (e.g., 'The plan is flexible') or directly before a noun (e.g., 'a flexible plan'). In professional environments, it is frequently paired with words related to time and strategy. For instance, 'flexible working hours' or 'flextime' is a common concept in modern human resources. When discussing personality, saying someone is flexible is almost always a compliment, indicating they are easy to work with and not overly stubborn.

We offer flexible payment options for our customers.

You can also use adverbs to modify the degree of flexibility. Common collocations include 'highly flexible', 'extremely flexible', 'fairly flexible', and 'somewhat flexible'. This allows you to add nuance to your statements. For example, if a deadline can be moved by a day or two, it is 'somewhat flexible'. If there is no deadline at all, the timeline is 'highly flexible'. Understanding these collocations will make your English sound much more natural and native-like.

Modifying Time: Used to describe schedules, deadlines, and hours that can be changed.

I need a job with flexible hours because I am a student.

When discussing physical objects, flexible is used to describe materials like plastic, rubber, silicone, or certain metals. In this context, it is a factual description rather than an opinion. For example, 'This phone case is made of a flexible plastic.' It is important not to confuse flexible with fragile; a flexible object bends, while a fragile object breaks. In fact, flexibility often prevents fragility.

Modifying People: Used to describe someone who is willing to compromise or adapt.

A good manager must be flexible when dealing with diverse teams.

In negative sentences, you can say 'not flexible' or use the antonym 'inflexible'. For instance, 'The airline tickets are not flexible, so we cannot change our flight dates.' This is a very common usage in travel and commerce, where flexibility often comes at a premium price. If you buy a flexible ticket, you are paying for the right to change your mind.

Modifying Materials: Used to describe physical items that can bend without snapping.

The dancer's body was incredibly flexible.

To practice, try writing three sentences using flexible: one about a physical object, one about a person's character, and one about time or scheduling. This exercise will help solidify the three main contexts in which this adjective is deployed in everyday English.

Our travel plans are flexible, so we can stay an extra day.

You will encounter the word flexible in a wide variety of environments, making it a crucial vocabulary word for B2 learners. One of the most common places you will hear it is in the workplace or during job interviews. Employers frequently advertise roles that require a 'flexible approach' or offer 'flexible working conditions'. In this context, it signals a modern, adaptable corporate culture. You might hear a manager say, 'We need to remain flexible as the market changes.' It is a buzzword in business strategy, project management, and human resources.

The company is known for its flexible remote work policy.

Another common environment is the fitness and health industry. Gyms, yoga studios, and physical therapy clinics use the word constantly. A yoga teacher might encourage you to become more flexible through stretching. A physical therapist might assess how flexible your joints are after an injury. In these settings, the word is entirely physical, relating to the range of motion of the human body.

Corporate Environment: Used to describe agile methodologies, adaptable staff, and non-fixed working hours.

Stretching daily will make your muscles more flexible.

The travel and hospitality industry also relies heavily on this word. When booking flights, hotels, or rental cars, you will often see options for 'flexible dates' or 'flexible cancellation policies'. This means the booking can be altered without severe penalties. For travelers, flexibility is synonymous with peace of mind. You might hear a travel agent say, 'If your dates are flexible, I can find you a cheaper flight.'

Fitness Industry: Used to describe the physical elasticity of muscles and joints.

If you are flexible with your travel dates, tickets are cheaper.

In everyday social interactions, you will hear people use flexible when making plans with friends or family. 'I am flexible this weekend, let me know what time works for you.' It is a polite way of showing that you are accommodating and easygoing. It removes pressure from the other person and facilitates smoother social planning.

Social Planning: Used to indicate availability and a willingness to accommodate others' schedules.

I'm quite flexible about where we eat tonight.

Finally, in education, teachers might talk about flexible learning environments or flexible deadlines for students who need extra help. The word permeates almost every sector of society because the concept of adaptability is universally valued. Paying attention to these different contexts will help you understand the subtle shifts in meaning when the word is used.

The curriculum is flexible enough to accommodate different learning speeds.

While flexible is a common and relatively straightforward word, learners often make a few specific mistakes when using it. One of the most frequent errors is confusing flexible with words like 'soft' or 'weak'. A flexible material is not necessarily soft; a steel blade can be flexible. Similarly, a flexible person is not weak or easily manipulated; they are simply adaptable. It is important to maintain the distinction between yielding to pressure intelligently (flexible) and lacking strength (weak).

She is flexible, but she still has strong boundaries.

Another common mistake is grammatical. Learners sometimes try to use flexible as a verb, saying things like 'I will flexible my schedule.' This is incorrect. The verb form is 'flex', but 'flex' is usually used for muscles ('He flexed his arm') or as modern slang meaning to show off. To express the idea of making a schedule flexible, you must use a verb like 'adjust' or 'change', or say 'I will be flexible with my schedule.'

Verb Confusion: Do not use 'flexible' as a verb. Use 'be flexible' or 'flex' (for muscles).

You need to be flexible when traveling abroad.

Learners also sometimes confuse flexible with 'versatile'. While they are similar, versatile means having many different skills or uses, whereas flexible means able to bend or adapt. A Swiss Army knife is versatile; a rubber band is flexible. A person can be both, but the words highlight different traits. Ensure you are choosing the right word for the specific quality you want to describe.

Flexible vs Versatile: Flexible means adaptable/bendable. Versatile means multi-functional.

The rubber hose is highly flexible.

Pronunciation can also be a slight hurdle. The stress is on the first syllable: FLEX-i-ble. Sometimes learners stress the second syllable, which sounds unnatural to native speakers. Practice saying it out loud, ensuring the 'x' sounds like 'ks' and the first syllable carries the weight of the word.

Pronunciation Error: Stress the first syllable (FLEX), not the second.

We need a flexible strategy to win this game.

Finally, be careful with prepositions. We usually say 'flexible with' (e.g., 'flexible with my time') or 'flexible about' (e.g., 'flexible about the location'). Using incorrect prepositions like 'flexible on' is sometimes heard in business jargon ('flexible on price'), but 'flexible in' or 'flexible to' are often incorrect or awkward. Sticking to 'with' or 'about' is generally the safest choice for learners.

I am flexible with the meeting time.

Expanding your vocabulary means learning the synonyms and related terms for flexible. Depending on whether you are talking about a physical object or an abstract concept, different synonyms will apply. For physical objects, words like 'pliable', 'elastic', 'supple', and 'bendable' are excellent alternatives. 'Elastic' specifically implies that the object will return to its original shape after being stretched, like a rubber band. 'Pliable' suggests something that is easy to bend or mold, like clay or soft leather.

The gymnast is as flexible as a rubber band.

When discussing people, plans, or systems, synonyms like 'adaptable', 'accommodating', 'adjustable', and 'versatile' are more appropriate. 'Adaptable' is perhaps the closest synonym in the abstract sense; an adaptable person can easily adjust to new conditions, just as a flexible person can. 'Accommodating' emphasizes a willingness to help others by changing one's own plans. 'Adjustable' is often used for things like car seats or schedules that can be changed to fit a specific need.

Adaptable: Able to adjust to new conditions. Best synonym for personality.

An flexible mindset is key to survival in business.

It is also useful to know the antonyms to fully grasp the word's boundaries. 'Rigid', 'inflexible', 'stiff', and 'stubborn' are the main opposites. A rigid pole will not bend; a stubborn person will not change their mind. Using these contrasting words can help you explain exactly what you mean when describing a situation. For example, 'The old rules were rigid, but the new policy is much more flexible.'

Pliable: Easily bent or molded. Best synonym for materials.

Leather becomes more flexible with age and use.

Understanding the subtle differences between these synonyms will elevate your English from intermediate to advanced. While flexible is a great, all-purpose word, knowing when to substitute it with 'adaptable' or 'pliable' shows a deeper mastery of the language's nuances. Practice grouping these words in your vocabulary notebook based on whether they apply to physical objects or abstract ideas.

Rigid (Antonym): Unable to bend or be forced out of shape; not able to be changed.

Unlike his rigid predecessor, the new boss is highly flexible.

We need a flexible hose to reach the garden corners.

How Formal Is It?

औपचारिक

तटस्थ

अनौपचारिक

कठिनाई स्तर

ज़रूरी व्याकरण

स्तर के अनुसार उदाहरण

The plastic ruler is flexible.

Can bend easily

Used with verb 'to be'

My new shoes are very flexible.

Soft and easy to bend

Modified by 'very'

This wire is flexible.

Can be shaped

Simple subject-verb-adjective

Is the toy flexible?

Asking about physical property

Question form

The book cover is not flexible.

Cannot bend

Negative form

I need a flexible bag.

A bag that can change shape

Adjective before noun

Rubber is a flexible material.

Material property

Describing a noun

The tree branch is flexible.

Bends in the wind

Nature context

My work schedule is flexible.

Can change times

Abstract concept of time

She is a flexible person.

Easygoing

Describing personality

We need a flexible plan for the trip.

A plan that can change

Adjective + noun

Are your hours flexible?

Can you change your work time?

Question about time

I am flexible on the weekend.

Free to do different things

Preposition 'on'

The rules here are not very flexible.

Strict rules

Negative with 'very'

He has a flexible body from doing yoga.

Physical ability

Cause and effect context

Can we be flexible with the time?

Change the meeting time

Using 'be flexible with'

The company offers flexible working hours to its employees.

Non-fixed work schedule

Common business collocation

You have to be flexible when you travel to new countries.

Adaptable to new situations

Conditional context

I bought a flexible ticket so I can change my flight if needed.

Ticket that allows changes

Travel context

Our teacher is quite flexible about deadlines if we have a good reason.

Willing to extend time

'Flexible about' + noun

The new material is strong but surprisingly flexible.

Bends without breaking

Contrasting adjectives

We are looking for candidates who are flexible and eager to learn.

Adaptable workers

Job requirement context

My budget is somewhat flexible, but I don't want to spend too much.

Can spend a little more

Modifying degree

To be a good manager, you need a flexible approach to problem-solving.

Adaptable methods

'Flexible approach'

In today's dynamic market, businesses must adopt a highly flexible strategy.

Adaptable business plan

Adverb + adjective collocation

The negotiations were successful because both parties remained flexible.

Willing to compromise

Used with verb 'remained'

She demonstrated a flexible mindset by quickly adapting to the new software.

Open to new ideas

'Flexible mindset'

The architecture of the building is flexible enough to withstand severe earthquakes.

Physical resilience through bending

'Flexible enough to'

We need to establish a flexible framework that can accommodate future changes.

Adaptable structure

Academic/Professional vocabulary

His flexible attitude towards the project's scope saved us a lot of time.

Willingness to adjust goals

'Flexible attitude towards'

The curriculum is designed to be flexible, catering to different learning paces.

Adaptable education plan

Passive construction context

While the core principles are rigid, the implementation is entirely flexible.

Can be done in various ways

Contrast with 'rigid'

The central bank maintained a flexible exchange rate to absorb economic shocks.

Non-fixed currency rate

Economic terminology

Cognitive flexibility is a crucial executive function that declines with age.

Mental adaptability

Noun form 'flexibility' in academic context

The legislation was drafted with sufficiently flexible language to allow for judicial interpretation.

Broadly written laws

Legal context

A truly flexible organization anticipates disruption rather than merely reacting to it.

Proactively adaptable company

Advanced business concept

The diplomat's flexible stance on the minor clauses paved the way for a historic treaty.

Willingness to concede small points

Political context

Modern aerospace engineering relies heavily on lightweight, flexible composites.

Advanced bendable materials

Engineering context

The gig economy is often praised for its flexible nature, though critics point to a lack of security.

Adaptable but unstable work

Sociological discussion

Her argument was intellectually flexible, seamlessly incorporating counterpoints without losing its core thesis.

Adaptable reasoning

Describing abstract thought

The ontological flexibility of the concept allows it to be applied across disparate academic disciplines.

Ability to change fundamental meaning

Highly academic jargon

He navigated the labyrinthine bureaucracy with a flexible pragmatism that bordered on Machiavellian.

Adaptable and cunning approach

Literary/Advanced descriptive

The polymer's hyper-flexible molecular structure grants it unprecedented tensile strength.

Extremely bendable at a microscopic level

Scientific terminology

In the realm of international jurisprudence, a flexible interpretation of sovereignty is increasingly necessary.

Adaptable understanding of legal concepts

Advanced legal/political theory

The poem's flexible meter reflects the chaotic emotional state of the narrator.

Non-rigid poetic rhythm

Literary analysis

They employed a flexible rhetorical strategy, shifting seamlessly between logos and pathos as the audience demanded.

Adaptable speaking style

Rhetorical analysis

The software's architecture is infinitely flexible, utilizing microservices to ensure complete modularity.

Endlessly adaptable code structure

Advanced IT context

Such semantic flexibility renders the term almost meaningless in rigorous philosophical debate.

Word meaning that changes too easily

Philosophical critique

समानार्थी शब्द

adaptable pliable versatile adjustable supple malleable

विलोम शब्द

rigid inflexible stiff

सामान्य शब्द संयोजन

highly flexible

flexible approach

flexible schedule

flexible hours

flexible working

flexible material

remain flexible

flexible strategy

flexible system

flexible options

सामान्य वाक्यांश

be flexible with

a flexible approach to

flexible working hours

keep your plans flexible

a flexible mindset

flexible payment terms

flexible cancellation policy

remain flexible

highly flexible

somewhat flexible

अक्सर इससे भ्रम होता है

flexible vs versatile

flexible vs soft

flexible vs weak

मुहावरे और अभिव्यक्तियाँ

आसानी से भ्रमित होने वाले

flexible vs

वाक्य संरचनाएँ

इसे कैसे इस्तेमाल करें

business

A major buzzword in HR and project management (Agile methodology).

colloquial

Often used as a standalone response: 'What time?' - 'I'm flexible.'

सामान्य गलतियाँ

Using 'flexible' as a verb (e.g., 'I flexible my time').
Confusing 'flexible' with 'soft' (steel can be flexible but not soft).
Using the wrong preposition, like 'flexible to' instead of 'flexible with'.
Stressing the second syllable in pronunciation (flex-I-ble).
Using 'flexible' when 'versatile' (multi-purpose) is the correct meaning.

सुझाव

Adjective Placement

Place 'flexible' before the noun (a flexible schedule) or after a linking verb (the schedule is flexible).

Stress the First Syllable

Always stress the 'FLEX' part of the word. FLEX-i-ble. If you stress the middle, it sounds unnatural.

Business Buzzword

Use 'flexible' in job interviews to describe your work style. Employers love candidates who are 'flexible and adaptable'.

Learn the Antonym

Always learn 'inflexible' alongside 'flexible'. It's just as useful for describing strict rules or stubborn people.

Polite Planning

Saying 'I'm flexible' when making plans is a great way to be polite and let the other person choose the time or place.

Use 'Highly'

Upgrade your writing by using 'highly flexible' instead of 'very flexible'. It sounds much more advanced.

Physical vs Mental

Remember the dual meaning. A yoga teacher means physical bending; a boss means mental adapting.

Flexible With

Get used to saying 'flexible with'. For example, 'I am flexible with the dates.'

Not a Verb

Never say 'I will flexible my schedule'. Say 'I will be flexible with my schedule'.

Mix it Up

If you use 'flexible' too much in an essay, swap it for 'adaptable' (for ideas) or 'pliable' (for materials).

याद करें

स्मृति सहायक

FLEX your muscles to show you are FLEXible.

शब्द की उत्पत्ति

Latin

सांस्कृतिक संदर्भ

'Flexible tickets' became extremely popular and necessary during the COVID-19 pandemic.

'Flexible learning' refers to online or hybrid education models.

'Flexible working' is a legal right to request in some countries like the UK.

असल ज़िंदगी में अभ्यास करें

वास्तविक संदर्भ

बातचीत की शुरुआत

"Are your working hours flexible?"

"Do you consider yourself a flexible person when plans change?"

"Why is it important for a business to be flexible?"

"Do you prefer a strict schedule or a flexible one?"

"What is the most flexible material you can think of?"

डायरी विषय

Describe a time when you had to be flexible because your plans changed suddenly.

Write about the pros and cons of having a flexible work schedule.

How does physical flexibility (like in sports) compare to mental flexibility?

Write a short story about a character who is entirely inflexible.

What areas of your life do you wish were more flexible?

अक्सर पूछे जाने वाले सवाल

10 सवाल

No, flexible is an adjective. The verb form is 'flex', but it is mostly used for muscles (e.g., 'flex your arm'). To express making something flexible, use 'make flexible' or 'adjust'.

They are very similar when describing people or plans. However, 'flexible' is also used for physical objects that bend (like rubber), whereas 'adaptable' is rarely used for physical bending.

'Flexible with' is the most standard and universally correct (e.g., 'flexible with my time'). 'Flexible on' is common in business negotiations (e.g., 'flexible on the price').

The most common direct opposite is 'inflexible'. Other good antonyms are 'rigid' (for objects or rules) and 'stubborn' (for people).

It is pronounced FLEX-i-ble, with the stress heavily on the first syllable. The 'x' sounds like 'ks'.

Yes, in two ways. Physically, it means they can bend easily (like a gymnast). Metaphorically, it means they are easygoing and willing to change their plans or opinions.

It means the employee does not have to work a strict schedule (like 9 to 5). They can choose when to start and finish their work, as long as they complete their required hours.

Generally, yes. Being flexible is seen as a good trait in both materials (preventing breaking) and people (showing cooperation).

Yes, 'very flexible' is grammatically correct and common. In formal writing, 'highly flexible' sounds more professional.

In travel, a flexible ticket allows you to change the date or time of your flight or train without paying a large penalty fee.