17
unsurprising
12
exhausting(adjective, verb, trying, tiresome, wearisome)
11
enervating(adjective, verb, trying, exhausting, enervating)
9
enfeebling(verb, adjective, weakening, enfeebling)
8
fatiguing(adjective, verb, trying, exhausting, tiresome)
7
weakening(noun, verb, weakening, enfeebling)
6
draining(adjective, verb, trying, exhausting, tiresome)
6
sapping(verb, trying, exhausting, tiring, wearing)
5
tiring(adjective, trying, exhausting, tiresome, wearisome)
4
crippling
4
killing
4
wearing(adjective, trying, exhausting, tiresome, wearisome)
4
wearying(adjective, trying, exhausting, tiresome, wearisome)
2
attenuating
2
debilitate
2
debilitated
2
devastating(adjective, incapacitating)
2
disabling(verb, adjective, weakening)
2
wasting
1
common
11 years ago|6.8k views|share |citing 
APASmart Define. (2015). debilitating thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/debilitating/thesaurus/synonyms
ChicagoSmart Define. 2015. "debilitating thesaurus" https://smartdefine.org/debilitating/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, debilitating thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/debilitating/thesaurus/synonyms>.
MLASmart Define. "debilitating thesaurus" 31 May 2015. Web. 20 September 2026. <https://smartdefine.org/debilitating/thesaurus/synonyms>