let
let in 30 Seconds
- Let is a causative verb meaning to allow or give permission. It is informal and very common in daily English conversation.
- The grammar pattern is let + object + bare infinitive (e.g., let him go). Never use 'to' after let.
- Let's is a contraction of let us, used for making suggestions that include the speaker and others.
- Let is an irregular verb; its present, past, and past participle forms are all 'let'. It never changes.
The word let is a fundamental English verb that primarily functions as a causative verb, meaning to give permission or to refrain from preventing an action. At its core, it signifies the removal of an obstacle or the granting of consent. Unlike many other verbs of permission, 'let' is remarkably informal and versatile, appearing in everything from casual conversations to high-stakes negotiations. In a linguistic sense, 'let' is a 'bare infinitive' verb, meaning it is followed by an object and then the base form of another verb without the word 'to'. This structural simplicity is what makes it so prevalent in daily speech. When you 'let' someone do something, you are essentially saying that you will not stand in their way. This can range from a parent letting a child stay up late to a security guard letting a visitor into a building. Interestingly, the word has a historical paradox; in Old English, it actually meant to hinder or delay (a meaning still preserved in the tennis term 'let' where the ball hits the net). Today, however, it almost exclusively denotes the opposite: allowing passage or action.
- Permission
- The most common use is to grant someone the right to do something. For example, 'Please let me finish my sentence.'
- Causative Action
- Using 'let' to make something happen by not stopping it. 'Let the water run until it gets hot.'
- Suggestions
- The contraction 'let's' (let us) is the standard way to propose a group activity. 'Let's go to the beach.'
The teacher decided to let the students use their notes during the exam.
Beyond simple permission, 'let' is used to express a release of physical or emotional tension. When we say 'let go,' we are describing the act of releasing a grip or moving past a difficult memory. This metaphorical usage is deeply embedded in English-speaking cultures, often associated with personal growth and emotional health. In professional contexts, 'let' can be used to delegate authority. A manager might 'let' a team lead take over a project, implying a transfer of control. It is also used in mathematical and logical proofs to establish a premise, such as 'Let X be equal to five.' This variety of applications—from the playground to the laboratory—demonstrates why 'let' is one of the most hardworking verbs in the English language. It is a word of enablement, a word that opens doors, and a word that facilitates movement between states of being.
Don't let the opportunity pass you by without trying.
Furthermore, 'let' is frequently paired with particles to form phrasal verbs that change its meaning entirely. 'Let down' means to disappoint, 'let in' means to allow entry, and 'let out' means to release or emit. Each of these phrasal verbs carries its own set of nuances. For instance, 'letting someone down' implies a breach of trust or expectation, while 'letting a secret out' implies a lack of discretion. The word also plays a crucial role in imperative sentences. When someone shouts 'Let me through!', they are using the verb to demand a path. In this way, 'let' can be both a gentle request and a forceful command. Its monosyllabic nature makes it punchy and direct, which is why it is so common in song lyrics and advertising slogans. Whether it's the Beatles singing 'Let It Be' or a brand telling you to 'Let your imagination run wild,' the word serves as a powerful call to action or acceptance.
I will let you know as soon as I hear any news.
She wouldn't let the rain ruin her wedding day plans.
Finally, consider the social dynamics of 'let'. It often implies a power imbalance. The person who 'lets' is usually the one in control of the situation. By understanding who is letting whom do what, you can gain insight into the relationships between characters in a story or people in a conversation. However, 'let' can also be used reflexively, as in 'letting oneself go,' which can mean either relaxing one's standards or allowing oneself to feel an emotion fully. This versatility ensures that 'let' remains a cornerstone of English vocabulary, essential for expressing the complex ways we interact with the world and each other.
If you let the cat out of the bag, everyone will know the surprise.
Using the word let correctly requires an understanding of its unique grammatical structure. The most important rule to remember is the pattern: let + object + base verb. Unlike the verb 'allow,' which requires 'to' (e.g., 'allow him to go'), 'let' never takes 'to' before the following verb. This is a common stumbling block for English learners. For example, you should say 'Let him go,' not 'Let him to go.' This structure applies across all tenses, which is simplified by the fact that 'let' is its own past tense and past participle. Whether you are talking about yesterday, today, or tomorrow, the word 'let' remains the same. This consistency makes it one of the easier irregular verbs to memorize, provided you don't accidentally add an '-ed' to the end.
- Direct Objects
- The object following 'let' can be a person, an animal, or an inanimate object. 'Let the dog out' or 'Let the music play.'
- Negatives
- To form a negative, use 'don't' or 'not'. 'Don't let him see you' or 'I decided not to let it bother me.'
- Passive Voice
- 'Let' is rarely used in the passive voice. Instead of saying 'I was let go,' people often say 'I was allowed to leave,' though 'let go' is a common idiom for being fired.
Why won't you let me help you with those heavy bags?
Another crucial aspect of using 'let' is the contraction 'let's.' This is short for 'let us,' but it is used almost exclusively for making suggestions that include the speaker. It is followed by the base form of the verb. 'Let's eat' is a suggestion for the group to eat together. If you were to say 'Let us eat' without the contraction, it sounds like a formal request for permission to eat, perhaps addressed to a captor or a strict authority figure. Understanding this distinction is key to sounding natural in English. Furthermore, 'let' can be used in the imperative to express a wish or a command that doesn't necessarily involve permission, such as 'Let there be light' or 'Let it be.' These are more poetic or existential uses of the word, often found in literature or religious texts.
Please let us know if you change your mind about the invitation.
When using 'let' in complex sentences, it often acts as a bridge between two ideas. For instance, 'I'll let you know when I arrive' uses 'let' to promise future information. In this context, 'let' is part of a standard polite formula. It's also worth noting that 'let' can be used to describe physical movement, as in 'letting someone into a room.' Here, it functions as a synonym for 'admit' or 'allow entry.' The versatility of 'let' extends to its use with adjectives, as in 'let loose' or 'let fly.' These combinations create vivid imagery of release and energy. By mastering these patterns, you can use 'let' to convey a wide range of meanings with precision and ease.
He let the secret slip during the dinner party last night.
They let the car roll down the hill to test the brakes.
Finally, the word 'let' is often used in conditional sentences to express what would happen if a certain permission were granted. 'If you let me go, I'll tell you everything.' This usage highlights the power of 'let' as a bargaining chip in communication. Whether you are using it to make a suggestion, grant permission, or describe a release, 'let' is a verb that facilitates the flow of action and information. Its structural simplicity belies its functional complexity, making it a rewarding word to study and apply in your own writing and speech.
Don't let the cat out of the bag before the surprise party!
The word let is omnipresent in the English-speaking world, echoing through pop culture, literature, and daily interactions. One of the most famous instances is the song 'Let It Go' from Disney's Frozen. In this context, 'let' represents a powerful emotional release, a shedding of expectations and a move toward self-acceptance. This usage resonates deeply because it taps into the universal human desire for freedom. Similarly, the Beatles' 'Let It Be' uses the word to encourage a philosophy of acceptance and non-resistance in the face of trouble. These cultural touchstones have cemented 'let' as a word associated with peace, release, and the natural flow of life. You'll also hear it in sports, particularly tennis, where a 'let' is called when a serve hits the net but still lands in the correct service box. This is a rare modern use of the word's original meaning: to hinder or obstruct.
- Music
- Found in countless titles like 'Let's Dance' (David Bowie) or 'Let It Rock' (Kevin Rudolf), usually signifying a call to action.
- Movies
- Often used in dramatic lines like 'Let him go!' or 'Let's get out of here!' to heighten tension.
- Daily Life
- Used constantly in phrases like 'Let me see,' 'Let's go,' and 'Let me know.'
"Let it be, let it be, whisper words of wisdom, let it be." — The Beatles
In the workplace, 'let' is the language of collaboration and delegation. You'll hear managers say, 'I'll let you take the lead on this,' or colleagues saying, 'Let's touch base later.' It is a word that facilitates teamwork by suggesting collective action or granting individual autonomy. In technical fields, 'let' is used in programming languages like JavaScript and Swift to declare variables. For example, 'let x = 10' tells the computer to allow the name 'x' to represent the value 10. This mathematical and logical use of 'let' highlights its role in defining the parameters of a system. Whether in a code editor or a boardroom, 'let' is a tool for setting conditions and moving projects forward. It's also a staple of legal and formal documents, though often replaced by 'permit' or 'allow' for added gravity. However, even in formal settings, 'let' remains the go-to word for simple, direct permission.
"Let us never negotiate out of fear. But let us never fear to negotiate." — John F. Kennedy
In social settings, 'let' is used to navigate boundaries and express hospitality. 'Let me take your coat' or 'Let me get that for you' are common polite offers. It's also used to manage the flow of conversation: 'Let me finish my thought' or 'Let's hear what Sarah has to say.' In these instances, 'let' acts as a social lubricant, helping to ensure that everyone's needs and voices are considered. You'll also find it in idioms that describe social behavior, such as 'letting your hair down' (relaxing and having fun) or 'letting someone off the hook' (releasing them from an obligation or punishment). These phrases show how 'let' is used to describe the loosening of social or personal constraints. From the most formal speeches to the most casual banter, 'let' is a word that helps us negotiate our place in the world.
"Let the wild rumpus start!" — Maurice Sendak, Where the Wild Things Are
"Don't let the bedbugs bite!" — A common English bedtime saying for children.
Finally, 'let' is a word of discovery. We 'let' our curiosity guide us, we 'let' new ideas sink in, and we 'let' ourselves explore new places. It is a verb that encourages an open and receptive attitude toward life. Whether you're listening to a world leader's call for unity or a friend's suggestion for dinner, the word 'let' is there, facilitating the exchange of ideas and the granting of possibilities. It is a small word with a massive impact, shaping how we interact, how we create, and how we live.
"Let us go then, you and I, when the evening is spread out against the sky." — T.S. Eliot
Even though let is a common and relatively simple word, it is the source of several frequent errors for English learners. The most prevalent mistake is the 'to-infinitive' error. Because many other verbs of permission or causation require 'to' (like 'allow', 'permit', 'enable', or 'force'), learners often carry this pattern over to 'let'. They might say, 'My boss let me to leave early,' which is incorrect. The correct form is 'My boss let me leave early.' This is a fundamental rule of English syntax: 'let' is followed by a bare infinitive. Remembering this one rule can significantly improve your grammatical accuracy. Another common mistake involves the past tense. Many learners assume that because 'let' is a short verb, it might follow the pattern of 'set' or 'hit', but they sometimes try to add '-ed' to make it 'letted'. However, 'let' is an irregular verb that does not change its form. The past tense of 'let' is 'let', and the past participle is also 'let'.
- The 'To' Trap
- Incorrect: 'Let her to go.' Correct: 'Let her go.' Never use 'to' after 'let'.
- The 'Letted' Error
- Incorrect: 'He letted me in.' Correct: 'He let me in.' The verb form never changes.
- Confusing 'Let' and 'Leave'
- In some languages, the same word is used for both. In English, 'let' means allow, while 'leave' means to go away or depart. 'Leave me alone' is correct, but 'Let me alone' is archaic and less common.
Mistake: She letted the dog to run outside. Correct: She let the dog run outside.
Another area of confusion is the use of 'let' in the passive voice. While you can say 'I was allowed to enter,' you cannot say 'I was let enter.' The verb 'let' is almost never used in the passive voice with a following verb. The only major exception is the idiomatic expression 'to be let go,' which is a polite way of saying someone was fired from their job. If you need to use a passive construction, it's better to switch to 'allow' or 'permit'. Additionally, learners sometimes struggle with the placement of the object. The object must come immediately after 'let'. You cannot say 'Let go him'; it must be 'Let him go.' The only exception is the phrasal verb 'let go' when used without an object, as in 'You need to let go of the past,' where 'of' follows the phrase.
Mistake: They let to stay the children late. Correct: They let the children stay late.
The contraction 'let's' also causes issues. Some learners use 'let's' when they are only talking about themselves, but 'let's' always includes the speaker and at least one other person. If you want to ask for permission for yourself, use 'let me'. For example, 'Let's go' means 'You and I should go,' while 'Let me go' means 'Give me permission to leave.' Also, remember that 'let's' is already a contraction of 'let us,' so you don't need to add another 'us' or 'is'. 'Let's us go' is redundant and incorrect. Finally, be careful with the phrasal verb 'let down'. It specifically means to disappoint. Some learners use it to mean 'lower' in a physical sense, which is sometimes correct (like 'letting down a ladder'), but in most modern contexts, it has a strong emotional connotation. By being mindful of these common pitfalls, you can use 'let' with the confidence of a native speaker.
Mistake: Let's me help you. Correct: Let me help you.
Mistake: He let the cat to escape. Correct: He let the cat escape.
In summary, the key to avoiding mistakes with 'let' is to keep it simple. Don't change the verb form, don't add 'to', and make sure your objects are in the right place. With these rules in mind, 'let' becomes a powerful and flexible tool in your English vocabulary, allowing you to express permission, suggestions, and release with ease and clarity.
Mistake: I was let to enter the club. Correct: I was allowed to enter the club.
While let is an incredibly useful word, English offers several alternatives that can add nuance, formality, or specific meaning to your sentences. The most direct synonyms are 'allow' and 'permit'. These words are more formal than 'let' and are often used in official, legal, or professional contexts. For example, while you might 'let' a friend borrow your car, a sign at a park would say 'Dogs are not permitted.' A key grammatical difference is that both 'allow' and 'permit' require the 'to-infinitive' (e.g., 'allow someone to do something'). Another alternative is 'enable', which suggests providing the means or opportunity for something to happen, rather than just giving permission. If a new software 'enables' you to work faster, it's doing more than just 'letting' you; it's giving you a new capability. Understanding these distinctions allows you to choose the word that best fits the tone and intent of your message.
- Allow vs. Let
- 'Allow' is more formal and requires 'to'. 'Let' is informal and uses the bare infinitive. 'I allowed him to go' vs. 'I let him go.'
- Permit vs. Let
- 'Permit' is the most formal and often refers to official rules. 'Smoking is not permitted' is much more common than 'We don't let people smoke.'
- Enable vs. Let
- 'Enable' means to make something possible. 'The scholarship enabled her to attend college' implies more active support than just 'letting' her go.
The security guard permitted us to enter after checking our IDs.
Other alternatives include 'authorize', 'sanction', and 'grant'. 'Authorize' is used when someone with official power gives permission, such as 'The manager authorized the purchase.' 'Sanction' can mean to give official approval, though it can also mean to impose a penalty, so it must be used carefully. 'Grant' is often used for formal requests, like 'granting a wish' or 'granting an extension on a deadline.' In more casual settings, you might use 'give the green light' or 'give the go-ahead'. These idioms convey the idea of permission in a more colorful way. For instance, 'My boss gave me the green light to start the project' sounds more enthusiastic than 'My boss let me start the project.' Each of these alternatives carries its own 'flavor,' and choosing the right one can make your English sound more sophisticated and precise.
The committee authorized the new budget for the upcoming fiscal year.
On the opposite side, we have antonyms like 'prevent', 'forbid', 'prohibit', and 'hinder'. If 'let' is about opening a door, these words are about closing it. 'Prevent' means to stop something from happening, while 'forbid' and 'prohibit' mean to officially say that something is not allowed. 'Hinder' means to make something difficult to do, which is ironic given that this was the original meaning of 'let'. Using these opposites can help you define the boundaries of permission. For example, 'I won't let you go' is a strong statement, but 'I forbid you to go' is even stronger and more authoritative. By understanding both the synonyms and antonyms of 'let', you gain a fuller picture of how permission and restriction work in the English language.
High winds prevented the plane from taking off on schedule.
The law prohibits the sale of alcohol to anyone under the age of 21.
In conclusion, while 'let' is the foundation, its alternatives provide the building blocks for more complex and nuanced communication. Whether you are writing a formal report, a casual email, or a poetic verse, knowing when to use 'let' and when to reach for a synonym like 'permit' or an antonym like 'prevent' will help you express yourself with greater clarity and impact. The English language is rich with choices; don't be afraid to explore them!
The teacher granted the student's request for an extra day to finish the essay.
How Formal Is It?
"Let us consider the implications of this decision."
"Please let me know if you have any questions."
"Let's go grab a burger."
"Let's play with the blocks!"
"Let's get it!"
Fun Fact
The tennis term 'let' (when the ball hits the net) comes from the word's original meaning of 'hindrance'. It is one of the few places where the old meaning survives.
Pronunciation Guide
- Pronouncing it like 'late' (/leɪt/).
- Adding an extra syllable like 'let-uh'.
- Not pronouncing the final 't' clearly.
- Confusing the vowel sound with 'lit' (/lɪt/).
- Over-emphasizing the 't' in fast speech.
Difficulty Rating
Very easy to recognize in text.
Easy, but watch out for the 'to-infinitive' mistake.
Easy to use, but requires natural rhythm for 'let's'.
Can be hard to hear in fast speech (e.g., 'lemme').
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Causative Verbs
Let, make, and have are causative verbs that use the bare infinitive.
Bare Infinitive
The base form of a verb used without 'to' (e.g., let him go).
Irregular Verbs
Verbs that do not follow standard conjugation patterns (e.g., let-let-let).
Contractions
Shortened forms of words (e.g., let's for let us).
Phrasal Verbs
Verbs combined with particles to create new meanings (e.g., let down).
Examples by Level
Let's go to the park today.
Allons au parc aujourd'hui.
Use 'let's' to make a suggestion for the group.
Let me see your new book.
Laisse-moi voir ton nouveau livre.
'Let me' is a polite way to ask for permission.
Let's eat dinner now.
Mangeons le dîner maintenant.
'Let's' is short for 'let us'.
Please let the dog in.
S'il te plaît, laisse entrer le chien.
'Let in' is a phrasal verb meaning to allow entry.
Let's play a game.
Jouons à un jeu.
A very common A1 suggestion.
Let me help you with that.
Laisse-moi t'aider avec ça.
A polite offer of assistance.
Let's watch a movie.
Regardons un film.
Another common suggestion for a shared activity.
Don't let the cat out.
Ne laisse pas sortir le chat.
Negative imperative using 'don't let'.
My parents let me stay up late on Fridays.
Mes parents me laissent rester debout tard le vendredi.
Subject + let + object + bare infinitive.
She let her friend borrow her favorite pen.
Elle a laissé son ami emprunter son stylo préféré.
'Let' is the past tense here.
Will you let me use your computer?
Me laisseras-tu utiliser ton ordinateur ?
Future tense question with 'let'.
He doesn't let anyone touch his guitar.
Il ne laisse personne toucher sa guitare.
Negative present simple: 'doesn't let'.
Let the water run until it is cold.
Laisse couler l'eau jusqu'à ce qu'elle soit froide.
Causative use: allowing a natural process to happen.
They let us leave the meeting early.
Ils nous ont laissés quitter la réunion tôt.
Past tense permission.
Please let me know if you are coming.
S'il vous plaît, faites-moi savoir si vous venez.
A standard polite request for information.
Don't let the rain stop you from going out.
Ne laisse pas la pluie t'empêcher de sortir.
Using 'let' to mean 'allow to affect'.
I'm sorry I let you down by being late.
Je suis désolé de t'avoir déçu en étant en retard.
'Let down' is a phrasal verb meaning to disappoint.
It's time to let go of the past and move on.
Il est temps de lâcher prise sur le passé et d'avancer.
'Let go' is an idiom meaning to release or stop holding onto.
The teacher let the mistake slide this time.
Le professeur a laissé passer l'erreur cette fois.
'Let slide' means to ignore a mistake or fault.
Could you let me into the building? I forgot my key.
Pourriez-vous me laisser entrer dans l'immeuble ? J'ai oublié ma clé.
'Let into' means to allow entry.
Don't let your emotions get the better of you.
Ne laisse pas tes émotions prendre le dessus sur toi.
'Get the better of' means to overcome or control.
She let out a loud scream when she saw the spider.
Elle a poussé un grand cri quand elle a vu l'araignée.
'Let out' means to release a sound or emotion.
We should let the paint dry before we move the table.
Nous devrions laisser sécher la peinture avant de déplacer la table.
Causative use in a practical context.
He was let go from his job due to the recession.
Il a été licencié de son travail à cause de la récession.
'Let go' is a common euphemism for being fired.
I accidentally let the cat out of the bag about the surprise.
J'ai accidentellement vendu la mèche pour la surprise.
Idiom: 'let the cat out of the bag' means to reveal a secret.
Let's not let the situation get out of hand.
Ne laissons pas la situation dégénérer.
'Get out of hand' means to become uncontrollable.
She decided to let her hair down and enjoy the party.
Elle a décidé de se lâcher et de profiter de la fête.
Idiom: 'let your hair down' means to relax and have fun.
The judge decided to let him off with a warning.
Le juge a décidé de le relâcher avec un avertissement.
'Let off' means to release without a severe punishment.
Don't let the opportunity slip through your fingers.
Ne laisse pas l'opportunité te filer entre les doigts.
Metaphorical use of 'let' with a common idiom.
Let us assume for a moment that the theory is correct.
Supposons un instant que la théorie soit correcte.
Formal use of 'let' to establish a premise.
He let it be known that he was looking for a new challenge.
Il a fait savoir qu'il cherchait un nouveau défi.
'Let it be known' is a formal way to announce something.
The curtains were thin enough to let the light through.
Les rideaux étaient assez fins pour laisser passer la lumière.
Physical use of 'let through'.
The policy was designed to let for a degree of flexibility.
La politique a été conçue pour permettre un certain degré de flexibilité.
Advanced use of 'let for' meaning to allow for or accommodate.
Without let or hindrance, the explorer crossed the border.
Sans obstacle ni entrave, l'explorateur a traversé la frontière.
Archaic/Legal use of 'let' as a noun meaning hindrance.
She would not let herself be intimidated by the opposition.
Elle ne se laisserait pas intimider par l'opposition.
Reflexive use with a passive infinitive.
Let it suffice to say that the project was a resounding success.
Qu'il suffise de dire que le projet a été un succès retentissant.
Formal rhetorical device: 'Let it suffice to say'.
The artist let his imagination run riot on the canvas.
L'artiste a laissé son imagination se déchaîner sur la toile.
Idiom: 'run riot' means to behave in an unrestrained way.
He let slip a comment that revealed his true intentions.
Il a laissé échapper un commentaire qui a révélé ses véritables intentions.
'Let slip' means to reveal something accidentally.
Let us not dwell on the failures of the past.
Ne nous attardons pas sur les échecs du passé.
Formal imperative for collective focus.
The government refused to let up on the new regulations.
Le gouvernement a refusé de relâcher les nouvelles réglementations.
'Let up' means to diminish or become less intense.
The poet sought to let the silence speak for itself.
Le poète cherchait à laisser le silence parler de lui-même.
Philosophical use of 'let' to grant agency to an abstract concept.
Let there be no doubt as to the gravity of the situation.
Qu'il n'y ait aucun doute sur la gravité de la situation.
High-level rhetorical imperative for emphasis.
She had a 'live and let live' attitude toward her neighbors.
Elle avait une attitude 'vivre et laisser vivre' envers ses voisins.
Idiom expressing a philosophy of tolerance.
The company was let by the decline in global demand.
L'entreprise a été entravée par la baisse de la demande mondiale.
Rare, archaic use of 'let' meaning hindered (passive).
He let fall a hint that suggested a change in leadership.
Il a laissé tomber un indice qui suggérait un changement de direction.
Literary alternative to 'let slip'.
Let us proceed with the assumption that all men are created equal.
Procédons avec l'hypothèse que tous les hommes sont créés égaux.
Classical rhetorical use in political philosophy.
The old house seemed to let in the ghosts of the past.
La vieille maison semblait laisser entrer les fantômes du passé.
Evocative, metaphorical use of 'let in'.
He would not let his guard down, even among friends.
Il ne baissait pas sa garde, même parmi ses amis.
Idiom: 'let your guard down' means to stop being cautious.
Common Collocations
Common Phrases
— A suggestion to leave or start an activity. Also used as an exclamation of excitement.
The movie starts in ten minutes. Let's go!
— Used when you want to look at something or when you are thinking about an answer.
Let me see... I think I have that book in my bag.
— To accept a situation as it is and not try to change it.
There's nothing we can do now, so just let it be.
— Used to introduce an unpleasant or difficult truth that must be accepted.
Let's face it, we're not going to finish this on time.
— A request or command for people to move so you can pass.
Excuse me, please let me through to the exit.
— A suggestion to have a conversation, often about a serious matter.
I think we have some issues to resolve. Let's talk.
— To ignore a mistake, fault, or offense without punishing or correcting it.
He's usually on time, so I'll let it slide this once.
— A common way to begin a meeting, lesson, or project.
Everyone is here, so let's get started on the presentation.
— Used to ask someone to stop interrupting so you can complete what you are saying.
Please let me finish my sentence before you respond.
— Used to express a wait-and-see attitude toward a future event.
We've done our best, now let's see what happens.
Often Confused With
In some languages, 'let' and 'leave' are the same word. In English, 'let' means allow, while 'leave' means depart or go away.
'Allow' is more formal and requires 'to' (allow to go), whereas 'let' does not (let go).
'Make' implies force or obligation, while 'let' implies permission or lack of resistance.
Idioms & Expressions
— To reveal a secret, usually by accident.
I accidentally let the cat out of the bag about her surprise party.
informal— To avoid restarting a conflict or bringing up a difficult subject from the past.
They haven't argued in weeks, so let's let sleeping dogs lie.
neutral— To allow someone to escape a difficult situation or avoid a punishment.
The teacher let him off the hook because it was his first mistake.
informal— To relax and enjoy yourself without worrying about what other people think.
After a long week of work, she really needed to let her hair down.
informal— To do something to get rid of strong feelings like anger or excitement.
He went for a long run to let off some steam after the argument.
informal— To allow something to happen naturally without interfering.
We've done all we can; now we just have to let nature take its course.
neutral— To do what you think is right and not worry about the consequences.
I'm going to tell the truth and let the chips fall where they may.
neutral— To share a secret with someone.
If you promise not to tell, I'll let you in on a secret.
informal— To become too proud or conceited because of success or praise.
Don't let all this fame go to your head.
informal— To forgive and forget past disagreements or problems.
They decided to let by-gones be by-gones and become friends again.
neutralEasily Confused
In British English, 'to let' can mean to rent out a property.
'Let' in this context is usually for the landlord, while 'rent' is for the tenant.
This apartment is to let.
Both involve allowing use of property.
'Lease' is a more formal, legal term for a long-term rental agreement.
They signed a lease for the office.
Both mean to allow.
'Permit' is much more formal and often refers to official rules.
The city permits outdoor dining.
This was the original meaning of 'let'.
Now, 'hinder' is the opposite of 'let'.
The snow hindered our progress.
Both can mean to allow entry.
'Admit' is more formal and can also mean to confess.
The club admitted only members.
Sentence Patterns
Let's + [verb]
Let's go.
Let me + [verb]
Let me help.
[Subject] + let + [object] + [verb]
He let me stay.
Don't let + [object] + [verb]
Don't let him in.
[Subject] + let + [object] + down
She let me down.
Let it be + [adjective]
Let it be known.
Let + [object] + run riot
He let his imagination run riot.
Let there be + [noun]
Let there be light.
Word Family
Nouns
Verbs
Adjectives
Related
How to Use It
Extremely high in both spoken and written English.
-
Let him to go.
→
Let him go.
The verb 'let' is followed by a bare infinitive, which means you should never use the word 'to'.
-
He letted me in.
→
He let me in.
'Let' is an irregular verb. Its past tense is also 'let'. 'Letted' is not a word.
-
Let's us go.
→
Let's go.
'Let's' is already a contraction of 'let us', so adding another 'us' is redundant and incorrect.
-
I was let to enter.
→
I was allowed to enter.
'Let' is rarely used in the passive voice. Use 'allow' or 'permit' instead.
-
Let me alone.
→
Leave me alone.
While 'let me alone' was used in the past, 'leave me alone' is much more common and natural today.
Tips
No 'To' Allowed
Never use 'to' after 'let'. It's 'let me go', not 'let me to go'. This is the most important rule to remember!
Use 'Let's' for Suggestions
If you want to suggest doing something with others, always use 'let's'. It sounds natural and friendly.
Let vs. Leave
Don't confuse 'let' (allow) with 'leave' (depart). 'Let me alone' is rare; use 'Leave me alone' instead.
Polite Emails
Use 'Please let me know' in your emails. it's a standard, polite way to ask for a response.
Listen for 'Lemme'
In fast speech, 'let me' often sounds like 'lemme'. Being aware of this will help your listening comprehension.
Let it Slide
If someone makes a small mistake, you can 'let it slide'. This means you choose to ignore it.
Formal Alternatives
In formal writing, consider using 'allow' or 'permit' instead of 'let' to sound more professional.
The Irregular Rule
Remember: let, let, let. The word never changes its form, which makes it easier to use in the past tense.
Let's Get Started
This is a great phrase to use to begin any activity, meeting, or lesson. It shows leadership and energy.
Live and Let Live
This is a great philosophy to remember. It means you should be tolerant of others' choices and lifestyles.
Memorize It
Mnemonic
L-E-T: Leave Everything To... (permission). Or think of 'Let' as a 'Left' door that is now open.
Visual Association
Imagine a gate being opened to let a group of people through. The gate is the word 'let'.
Word Web
Challenge
Try to use 'let', 'let's', and 'let me know' in three different sentences today during your conversations.
Word Origin
Derived from the Old English word 'lætan', which meant to leave, allow, or abandon. It is related to the Dutch 'laten' and German 'lassen'.
Original meaning: Interestingly, it also had a secondary meaning of 'to hinder' or 'to delay', which is the opposite of its modern primary meaning.
GermanicCultural Context
Be careful when using 'let' in a command form ('Let me...'), as it can sound aggressive if the tone is too sharp.
The contraction 'let's' is the most common way to suggest a group activity in all English-speaking countries.
Practice in Real Life
Real-World Contexts
At Home
- Let the dog out.
- Let's eat dinner.
- Let me help you.
- Don't let the cat in.
At Work
- Please let me know.
- Let's touch base.
- Let me check my calendar.
- I'll let you take the lead.
In School
- Let's work together.
- Let me see your work.
- The teacher let us leave.
- Let's start the lesson.
With Friends
- Let's go out.
- Let me know if you're free.
- Let's watch a movie.
- Don't let it bother you.
In a Shop
- Let me see that one.
- Let me try it on.
- Will you let me return this?
- Let's see the price.
Conversation Starters
"Let's talk about what you did over the weekend."
"Let me know what your favorite movie is and why."
"Let's imagine we could travel anywhere; where would we go?"
"Let me see if I can guess your favorite food."
"Let's discuss our plans for the upcoming holiday."
Journal Prompts
Write about a time someone let you down and how you felt about it.
Describe a situation where you had to let go of something important.
What is something your parents let you do that you are grateful for?
If you could let one dream come true today, what would it be?
Write about a secret you accidentally let slip and the consequences.
Frequently Asked Questions
10 questionsNo, 'letted' is not a correct word in standard English. The past tense and past participle of 'let' are both 'let'. For example, you should say 'He let me go yesterday,' not 'He letted me go.'
Use 'let's' for informal suggestions with friends and family. Use 'let us' only in very formal situations, like a speech or a prayer, or when you are asking for permission for a group ('Let us go, please!').
In English, 'let' is a causative verb that is followed by a bare infinitive. This means the word 'to' is never used. It is a specific rule of English grammar that you must memorize.
It means to accept a situation as it is and not try to change it or worry about it. It was made famous by the Beatles' song of the same name.
A 'let' occurs when a served ball hits the net but still lands in the correct service box. The serve is then replayed. This comes from the old meaning of 'let' as a hindrance.
It is very rare. Instead of 'I was let go,' we usually say 'I was allowed to leave.' However, 'to be let go' is a common idiom meaning to be fired from a job.
'Let' is informal and uses the bare infinitive. 'Allow' is more formal and requires 'to'. For example: 'Let me go' vs. 'Allow me to go.'
It is used to emphasize that something is even more impossible or unlikely than the thing just mentioned. For example: 'I can't afford a bike, let alone a car.'
Use 'don't let' or 'not let'. For example: 'Don't let him see the surprise' or 'I decided not to let it bother me.'
It most commonly means to disappoint someone by not doing what you were expected to do. For example: 'I'm sorry I let you down.'
Test Yourself 200 questions
Write a sentence suggesting to go to the park.
Well written! Good try! Check the sample answer below.
Write a sentence asking to see someone's book.
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Write a sentence about something your parents let you do.
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Write a sentence about letting a pet into the house.
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Write a sentence using the phrase 'let me know'.
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Write a sentence about a time you felt let down.
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Write a sentence using 'let the cat out of the bag'.
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Write a sentence using 'let your hair down'.
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Write a sentence using 'let it suffice to say'.
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Write a sentence using 'without let or hindrance'.
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Write a sentence suggesting to eat dinner.
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Write a sentence offering to help someone.
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Write a sentence about a teacher letting students leave early.
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Write a sentence about not letting the rain stop you.
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Write a sentence using 'let go of the past'.
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Write a sentence about letting a mistake slide.
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Write a sentence using 'let off steam'.
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Write a sentence using 'let sleeping dogs lie'.
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Write a sentence using 'let slip'.
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Write a sentence using 'let run riot'.
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Say: 'Let's go to the park.'
Read this aloud:
You said:
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Say: 'Let me help you.'
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Say: 'My parents let me stay up late.'
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Say: 'Please let the dog in.'
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You said:
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Say: 'Please let me know when you are ready.'
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Say: 'I won't let you down.'
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You said:
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Say: 'I accidentally let the cat out of the bag.'
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Say: 'It's time to let your hair down.'
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Say: 'Let it suffice to say that we were successful.'
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Say: 'He let slip a very important detail.'
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Say: 'Let's eat dinner now.'
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Say: 'Let me see your new book.'
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You said:
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Say: 'He let me borrow his car yesterday.'
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You said:
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Say: 'Don't let the rain stop you.'
Read this aloud:
You said:
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Say: 'It's time to let go of the past.'
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You said:
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Say: 'I'll let the mistake slide this time.'
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Say: 'He went for a run to let off steam.'
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Say: 'Let it be known that I am staying.'
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Say: 'Without let or hindrance, they proceeded.'
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Say: 'The artist let his imagination run riot.'
Read this aloud:
You said:
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Listen and write: 'Let's go.'
Listen and write: 'Let me help.'
Listen and write: 'He let me stay.'
Listen and write: 'Let the dog in.'
Listen and write: 'Please let me know.'
Listen and write: 'Don't let me down.'
Listen and write: 'Let the cat out of the bag.'
Listen and write: 'Let your hair down.'
Listen and write: 'Let it suffice to say.'
Listen and write: 'He let slip a secret.'
Listen and write: 'Let's eat lunch.'
Listen and write: 'She let him go.'
Listen and write: 'Let it slide.'
Listen and write: 'Let off steam.'
Listen and write: 'Without let or hindrance.'
/ 200 correct
Perfect score!
Summary
The word 'let' is your go-to verb for permission and suggestions in English. Remember its unique structure: never use 'to' after it. For example, 'Let me help you' is correct, while 'Let me to help you' is wrong. It's simple, irregular, and essential for natural-sounding speech.
- Let is a causative verb meaning to allow or give permission. It is informal and very common in daily English conversation.
- The grammar pattern is let + object + bare infinitive (e.g., let him go). Never use 'to' after let.
- Let's is a contraction of let us, used for making suggestions that include the speaker and others.
- Let is an irregular verb; its present, past, and past participle forms are all 'let'. It never changes.
No 'To' Allowed
Never use 'to' after 'let'. It's 'let me go', not 'let me to go'. This is the most important rule to remember!
Use 'Let's' for Suggestions
If you want to suggest doing something with others, always use 'let's'. It sounds natural and friendly.
Let vs. Leave
Don't confuse 'let' (allow) with 'leave' (depart). 'Let me alone' is rare; use 'Leave me alone' instead.
Polite Emails
Use 'Please let me know' in your emails. it's a standard, polite way to ask for a response.
Related Content
Learn it in Context
This Word in Other Languages
Related Phrases
More general words
a lot of
A2A large amount or number of; plenty of.
about
A1On the subject of; concerning something.
above
A2In a higher place than something or someone.
accident
A2An unfortunate event causing damage or injury.
action
A2The process of doing something, typically to achieve an aim.
after
A2Following in time or place; later than.
afterward
A2At a later or subsequent time.
again
A2Another time; once more.
aged
B1Of a specified age.
alive
A2Living, not dead.