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1. To leave some place. I stepped out for one minute and someone has already taken my seat! I'm sorry, the boss has stepped out, would you like to leave a message?
2. To go outside briefly. I'm just stepping out for a bit of fresh air.
3. To quit or withdraw from something. Now that the other candidate has stepped out, you two are the only ones left. We lost out best programmer when Jessica stepped out from the project.
4. To have sexual relations with someone other than one's spouse. Usually followed by "on (someone)." It turns out that women are nearly as likely as men to step out on their partners. My dad stepped out on my mom when were just kids, and their marriage never recovered.
5. To go on a date with someone. Usually followed by "with (someone)." It's really weird that Ellen is stepping out with my ex. They've been stepping out for a couple of months now.
step out (on someone)
to be unfaithful to a spouse or lover. Jeff has been stepping out on Judy. I was not stepping out!
step out(of something)
1. to go out of a place. she stepped out of the house without a coat and nearly froze to death. Jamie stepped out and got wet in the rain.
2. to take one step to get out of pants of some type that have been dropped. He stepped out of his pants and pulled off his shirt. He dropped his pants and stepped out.
1. Walk briskly, as in He stepped out in time to the music. [c. 1800]
2. Also, step outside. Go outside briefly, as in He just stepped out for a cigarette. [First half of 1500s]
3. Go out for an evening of entertainment, as in They're stepping out again tonight.
4. step out with. Accompany or consort with a person as when going on a date, as in She's been stepping out with him for a month. [Colloquial; early 1900s]
1. To go outside for a short time: I stepped out for a cigarette. They stepped out of the meeting to discuss the proposal.
2. To go out for a special evening of entertainment: We're stepping out for a wild night on the town.
3. To withdraw from something; quit something: The candidate stepped out of the race. The player stepped out.
4. step out with To date someone: She is stepping out with a younger man.
step out on someone
in. to betray one’s lover by going out with someone else. Hank has been stepping out on Bess, and she doesn’t know it yet.