English Reference
Idiom idiom

I think so


A phrase you use to say you believe something is true, but you are not 100% sure. It is a soft way to agree with someone.


SIMPLE

“Is the store open now? I think so.”

CONTEXTUAL

“I think so, but you should probably check the website to be completely sure.”

COMPLEX

“Although the evidence remains inconclusive, I think so, provided that the current trends continue throughout the fiscal year.”

Last updated April 22, 2026