80 entries under eccentric topic. ×

8
screwy(adjective, silly, foolish, exceptional, irregular)
7
astonishing(adjective, extraordinary, unusual, superb, exceptional)
7
weirdo(adjective, unusual)
6
astounding(adjective, extraordinary, awful, terrible, superb)
6
inexperienced(adjective, unusual, fresh, original, odd)
6
ludicrous(adjective, wild, silly, foolish, crazy)
5
nutty(adjective, unusual, wild, silly, foolish)
5
outre(adjective, unusual, wild, special, fantastic)
4
insane(adjective, wild, silly, foolish, crazy)
4
newfangled(adjective, unusual, new, fresh, original)
4
rummy
3
comical(adjective, unusual, wild, crazy, fantastic)
3
crackpot(noun, impractical, half-baked, doomed)
3
flaky(adjective, unusual, wild, foolish, crazy)
3
ignorant(adjective, odd, vague, unfamiliar, impractical)
3
off the wall(expression, adjective, idiom, unusual, wild)
2
Bohemian(adjective, unusual, neat, unconventional)
2
foolish(adjective, wild, silly, crazy, fantastic)
2
misfit(adjective, nonconforming)
2
nonconformist
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APASmart Define. (2016). strange thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/strange/thesaurus/synonyms
ChicagoSmart Define. 2016. "strange thesaurus" https://smartdefine.org/strange/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, strange thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/strange/thesaurus/synonyms>.
MLASmart Define. "strange thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/strange/thesaurus/synonyms>