Synonyms|18Antonyms|1|Broader|0Narrower|0Related|0
1
almost never(expression, hardly, barely, terrifically, seldom)
1
extra(hardly, barely, terrifically, seldom, infrequently)
1
finely(hardly, barely, terrifically, seldom, infrequently)
1
hardly ever(expression, hardly, barely, terrifically, seldom)
1
on rare occasions(expression, idiom, hardly, barely, terrifically)
1
remarkably(hardly, barely, terrifically, seldom, infrequently)
1
scarcely ever(expression, hardly, barely, terrifically, seldom)
1
uncommon(hardly, barely, terrifically, seldom, infrequently)
1
unfrequently(hardly, barely, terrifically, seldom, infrequently)
1
unoften(hardly, barely, terrifically, seldom, infrequently)
1
unusually(hardly, barely, terrifically, seldom, infrequently)
0
curiously(terrifically, unfrequently)
0
noticeably(terrifically, unfrequently)
0
now then(expression, barely, terrifically, seldom, unfrequently)
0
rarely(hardly, terrifically, seldom, infrequently, unfrequently)
0
so much(expression, terrifically, unfrequently)
0
surprisingly(terrifically, unfrequently)
0
terrifically
56 years ago|0 views|share |citing 
APASmart Define. (1970). once in blue moon thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/once_in_blue_moon/thesaurus/synonyms
ChicagoSmart Define. 1970. "once in blue moon thesaurus" https://smartdefine.org/once_in_blue_moon/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 1970, once in blue moon thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/once_in_blue_moon/thesaurus/synonyms>.
MLASmart Define. "once in blue moon thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/once_in_blue_moon/thesaurus/synonyms>