Synonyms|358Antonyms|61|Broader|0Narrower|0Related|262
1
offensively
1
ominously
1
openly
1
outstandingly(adverb, extremely)
1
overwhelmingly(adverb, extremely)
1
particularly
1
rattling
1
real
1
repugnantly
1
repulsively
1
revoltingly
1
right
1
rottenly
1
scarily
1
severely
1
shatteringly
1
so
1
something awful
1
something fierce
1
sore
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APASmart Define. (2015). frightfully thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/frightfully/thesaurus/synonyms
ChicagoSmart Define. 2015. "frightfully thesaurus" https://smartdefine.org/frightfully/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, frightfully thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/frightfully/thesaurus/synonyms>.
MLASmart Define. "frightfully thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/frightfully/thesaurus/synonyms>