(I) can't say for sure

(I) can't say for sure

I don't know with certainty. A: "How many people are coming to dinner tonight?" B: "I can't say for sure—my family tends to just show up without responding to invitations." Can't say for sure if I'll be free on Friday—my schedule tends to change every week. A: "Do you know how to fix a water leak like this?" B: "Hmm, I can't say for sure. Let me get in there and take a closer look."

See also: for, say, sure

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

(I) can't say for sure.

Inf. I do not know with any certainty. Tom: When will the next train come through? Jane: I can't say for sure. Bob: How can the driver hit so many potholes? Bill: Can't say for sure. I know he doesn't see too well, though.

See also: for, say, sure

McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.