for certain

phrase

Synonyms of for certainnext
: as a certainty : assuredly
the cause is not known for certain

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of for certain was in the 14th century

Rhymes for for certain

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Browse Nearby Words

force/ram/shove (something) down someone's throat
for certain
forces letter
See all Nearby Words

Cite this Entry

“For certain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/for%20certain. Accessed 1 Sep. 2026.

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