6
frighteningly
5
alarmingly
5
eeriely
3
fearfully(adverb, terrifyingly)
3
fearsomely
3
hazardously
3
timidly
2
afraidly
2
faintheartedly
1
chillingly
1
menacingly
1
terrifyingly
1
timorously
1
tremulously
1
worryingly
0
awfully
0
bloodcurdlingly
0
creepily
0
dangerously
0
frightfully
11 years ago|1.4k views|share |citing 
APASmart Define. (2015). scarily thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/scarily/thesaurus/synonyms
ChicagoSmart Define. 2015. "scarily thesaurus" https://smartdefine.org/scarily/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, scarily thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/scarily/thesaurus/synonyms>.
MLASmart Define. "scarily thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/scarily/thesaurus/synonyms>