Forget
Forget verb - To miss the opportunity or obligation.
Usage example: I forgot to call on his birthday
Keep
Keep verb - To mark with an appropriate practice, rite, or ceremony.
Usage example: keep the Sabbath by not working
Common collocations
Both words in one sentence
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Rather than keep the audience in suspense, this fact is revealed immediately (with Penfold suggesting it's perhaps not a good move when DM genuinely did forget the Professor's birthday last year).
Source: Western Animation / Danger Mouse - In Roadmarks by Roger Zelazny there are creatures who appear on the Roadnote a highway that allows to travel to any time as well as to alternate histories of Earth as old humans, live so long they forget their past and slowly keep getting younger.
Source: Merlin Sickness - Although they promise to keep his secret, Darkwing decides to guarantee that by hypnotizing them to forget the fact while instructing them to treat Drake Mallard with some respect.
Source: Reunion Revenge
Cite this Source
Keep and Forget. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/forget/keep
Forget & Keep. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/forget/keep>.
Keep or Forget. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/forget/keep.
Google Ngram Viewer shows how "forget" and "keep" have occurred on timeline