- Definitions|2
- Thesaurus|885
- Abbreviations|0
67 entries under adverb topic. ×
| frighteningly | |
| abysmally | |
| appallingly | |
| atrociously | |
| awesomely | |
| awfully | |
| badly | |
| brutally | |
| chillingly | |
| confoundedly | |
| cruelly | |
| desperately | |
| direly | |
| dirtily | |
| disgustingly | |
| dreadfully | |
| extraordinarily | |
| fearfully | |
| fearsomely | |
| ferociously |
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| APA | Smart Define. (2016). frightening thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/frightening/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "frightening thesaurus" https://smartdefine.org/frightening/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, frightening thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/frightening/thesaurus/synonyms>. |
| MLA | Smart Define. "frightening thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/frightening/thesaurus/synonyms> |