Fun
Fun noun - Someone or something that provides amusement or enjoyment.
Undertaking is an antonym for fun.
Undertaking
Undertaking noun - Any piece of work that is undertaken or attempted.
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Synonyms for Undertaking
How words are described
Cite this Source
Undertaking and Fun. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/fun/undertaking
Fun & Undertaking. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/fun/undertaking>.
Undertaking or Fun. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/fun/undertaking.
Google Ngram Viewer shows how "fun" and "undertaking" have occurred on timeline