English Reference
Idiom idiom

I don’t think so


A polite way to say 'no' or to disagree with what someone has said. You can use it as a complete answer to a question.


SIMPLE

“Can I leave early today? I don't think so.”

CONTEXTUAL

“He asked if I wanted to work this weekend, but I told him I don't think so.”

COMPLEX

“When the manager suggested that the project was ahead of schedule, the lead developer replied, I don't think so, given the current technical delays.”

Last updated April 22, 2026