on or to the outer side of something, beyond its limits
The kids waited outside the bakery for it to open.
Please leave your muddy boots outside the front door.
the outer part, surface, or area of something or somewhere
The shed looks small from the outside, but it has plenty of space inside.
Paint on the outside of the house is starting to peel.
extremely good or impressive
The pianist gave an outstanding performance that left the audience in awe.
Jenna received an award for her outstanding volunteer work at the shelter.
in baseball or softball, a play that removes a batter or runner, or the player who is removed
The pitcher recorded three quick outs in the first inning.
With two outs left, the team felt the pressure.
to reveal a private fact about someone, especially their sexual orientation, without their permission
The magazine article outed the famous singer without her consent.
He regretted outing his classmate during the debate.
(informal) an occasion when it is your turn to pay for a round of drinks for everyone in a group
It’s my shout—what will you have?
They take turns, so each person’s shout keeps the evening fair.
✦ Australian usage dating from the late 19th century, extended from the sense of calling out to the bartender.