1
forebodes(verb, threatens)
1
forewarns(verb, threatens)
1
frays
1
frightener
1
funks
1
harasses(verb, threatens)
1
harrows
1
hints(verb, threatens)
1
horrified
1
menaces
1
rattles
1
scares stiff
1
signals(verb, alarms)
1
terrorises
1
torments(verb, threatens)
1
upsets
1
warns(verb, threatens)
0
abysmal
0
alarmingly
0
appall
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APASmart Define. (2015). frightens thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/frightens/thesaurus/synonyms
ChicagoSmart Define. 2015. "frightens thesaurus" https://smartdefine.org/frightens/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, frightens thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/frightens/thesaurus/synonyms>.
MLASmart Define. "frightens thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/frightens/thesaurus/synonyms>