be under the impression

idiom

: to have an idea or belief that is usually not clear or certain
I was under the impression that admission was free.

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Cite this Entry

“Be under the impression.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20under%20the%20impression. Accessed 10 Sep. 2025.

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