Synonyms in Detail: let and allow Usage & Differences

What context can I use each word in?

Learn when and how to use these words with these examples!

let

Example

Can you let me know when you arrive? [let: verb]

Example

I'm going to let my hair down and have some fun tonight. [let: verb]

Example

Don't let the dog out of the house. [let: verb]

allow

Example

My parents won't allow me to stay out late. [allow: verb]

Example

The teacher will allow extra time for the exam. [allow: verb]

Example

The new policy allows for more flexibility in scheduling. [allow: verb]

Good things to know

Which word is more common?

Let is more commonly used in everyday language, while allow is more formal and often used in legal or official contexts.

What’s the difference in the tone of formality between let and allow?

Allow is generally considered more formal than let and is often used in legal or official contexts.