13 entries under terrifically topic. ×

2
rarely(adverb, unexpectedly, extraordinarily, uncommonly)
1
noticeably(adverb, unfrequently)
1
on rare occasions(expression, idiom, unfrequently)
1
once in blue moon(expression, idiom, unfrequently)
0
almost never(expression, unfrequently)
0
extra(extraordinarily, rarely, infrequently, uncommonly)
0
finely
0
hardly ever(expression, unfrequently)
0
now then(expression, unfrequently)
0
scarcely ever(expression, unfrequently)
0
uncommon(extraordinarily, rarely, infrequently, uncommonly)
0
unfrequently
0
unoften
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APASmart Define. (2016). curiously thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/curiously/thesaurus/synonyms
ChicagoSmart Define. 2016. "curiously thesaurus" https://smartdefine.org/curiously/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, curiously thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/curiously/thesaurus/synonyms>.
MLASmart Define. "curiously thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/curiously/thesaurus/synonyms>