in all conscience

phrase

variants or in conscience
: in all fairness
They could not in all conscience remain silent.

Word History

First Known Use

1701, in the meaning defined above

Time Traveler
The first known use of in all conscience was in 1701

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Cite this Entry

“In all conscience.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20all%20conscience. Accessed 25 Aug. 2026.

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