6
exhausting(adjective, immoderate)
6
killing(adjective, destruction)
6
ravaging
6
wasteful(adjective, immoderate)
5
baneful(adjective, harmful, injurious, damaging, deadly)
5
deleterious(adjective, bad, evil, wicked, harmful)
5
detrimental(adjective, bad, evil, wicked, harmful)
5
lugubrious(adjective, sad, dark, sorrow, depression)
5
pernicious(adjective, bad, evil, wicked, dreadful)
5
tragic(adjective, sad, sorrow, depression, woe)
4
cataclysmal(adjective, destructive)
4
consumptive(adjective, harmful, injurious, damaging, deadly)
4
dreadful
4
eye-opening(adjective, awful, amazing, astonishing, awesome)
4
heavy hearted(adjective, sad, dark, sorrow, depression)
4
injurious(adjective, bad, evil, wicked, harmful)
4
murderous(adjective, difficult)
4
overpowering
4
overwhelming
4
regrettable(adjective, sad, dark, sorrow, depression)
11 years ago|9.6k views|share |citing 
APASmart Define. (2015). devastating thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/devastating/thesaurus/synonyms
ChicagoSmart Define. 2015. "devastating thesaurus" https://smartdefine.org/devastating/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, devastating thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/devastating/thesaurus/synonyms>.
MLASmart Define. "devastating thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/devastating/thesaurus/synonyms>