Also found in: Dictionary, Thesaurus, Legal, Financial.
speak for (one)
1. To say something on behalf of someone; to express someone's opinions for them. I can't speak for Dave, but I know that I'm very uncomfortable with this arrangement. I would just like to make clear that this former employee does not speak for me or the company as a whole.
2. To testify, argue, or give a recommendation for someone. Melissa's a fantastic worker; I can't speak for the other interns, though, as I haven't spent any time working with them. I don't need anyone to speak for me—I can stand up for myself.
See also: speak
Already claimed, purchased, or reserved. I'm sorry, this seat is spoken for—please sit elsewhere. It looks like this car is spoken for. Let's see if they have any others for a good price. I'm thinking of asking John out; do you know if he's spoken for?
taken; reserved (for someone). I'm sorry, but this piece of cake is already spoken for. Pardon me. Can I sit here, or is this seat spoken for?
Reserved or requested: Is that seat spoken for?