be with

be with (third-person singular simple present is with, present participle being with, simple past was with, past participle been with)

1. (euphemistic, transitive) To have sex with.

   We dated for almost a year, but I've never been with him.

2. (transitive) To date or be boyfriend/girlfriend with.

   I've been with her for almost a year now.

3. (transitive) To agree with someone.

   I came in here disagreeing, but I've changed my mind, and now I'm with you on this.

4. (transitive) To understand someone's point or intention.

   I'm sorry; I'm not with you on this point.

5. (slang or African-American Vernacular) To be down with (something); believe in, like, or espouse.

   You know I ain't with using drugs.

   You like robbing banks?
   Nah, I ain't with that.

• (to have sex with): go to bed with, go with, sleep with; see also Thesaurus:copulate with
• (to date): go out with, go steady, go with
• (to agree with): me too, take the point
• (to understand someone's point): take the meaning, take the point