forget it

phr.v. you use this to tell someone that something is not important or they should stop worrying about it.

phr.v. used to dismiss a topic as being of no consequence or to advise someone to cease worrying about a minor error.

“If you can't find the book I lent you, just forget it; I have another copy.”

“When he tried to apologise for the minor delay, she told him to forget it and focus on the upcoming presentation instead.”

Informal

phr.v. a strong way to say that something is impossible or that you will not allow it.

phr.v. an emphatic refusal indicating that a suggestion is impossible, unacceptable, or will not be considered.

“You want to borrow my new car for a road trip? Forget it.”

“He asked for a three-month extension on the project, but the director told him to forget it immediately.”

Informal

phr.v. you say this when you are frustrated and want to stop talking about something because the other person doesn't understand.

phr.v. used to terminate a line of discussion, typically out of frustration, impatience, or the belief that further explanation is futile.

“I've tried to explain the rules three times now—oh, forget it.”

“After several failed attempts to reach a compromise, she sighed and said 'forget it' before walking out of the room.”

Informal

phr.v. a casual way to answer when someone says thank you.

phr.v. a conventionalised response to an expression of gratitude, functioning similarly to 'don't mention it'.

“Thanks for helping me move those heavy boxes. — Forget it, it was no trouble.”

“When the tourist thanked him for the directions, he simply waved his hand and said 'forget it' with a smile.”

Informal