reality check
A check or review to make sure something is consistent, reasonable, etc.
Near-synonyms: sanity check, sanity test; sniff test
noun
An inspection or examination.
I don't know if she will be there, but it's worth a check.
A control; a limit or stop.
checks and balances
The castle moat should hold the enemy in check.
A situation in which the king is directly threatened by an opposing piece.
A mark (especially a checkmark: ✓) used as an indicator.
Norton had made a neat, lawyerly check beside each of the items he and Billy had picked up—half a dozen or so, including the milk and a six-pack of Coke.
An order to a bank to pay money to a named person or entity.
I was not carrying cash, so I wrote a check for the amount.
verb
To inspect; to examine.
Check the oil in your car once a month.
Check whether this page has a watermark.
To verify the accuracy of a text or translation, usually making some corrections (proofread) or many (copyedit).
To mark items on a list (with a checkmark or by crossing them out) that have been chosen for keeping or removal or that have been dealt with (for example, completed or verified as correct or satisfactory).
Check the items on the list that interest you.
Check the correct answer to each question.
To control, limit, or halt.
Check your enthusiasm during a negotiation.
c. 1775–1780, Edmund Burke, letter to the Sheriffs of Bristol so many clogs to check and retard the headlong course of violence and oppression
To scold or rebuke someone.
intj
An expression showing that a requirement has been satisfied.
Keys? Check. Batteries? Check. We are all ready to go!
An expression that indicates that the speaker wishes to pay the bill (e.g. in a restaurant).