Synonyms|409Antonyms|186|Broader|4Narrower|0Related|2k
8
narcotic
5
exhausting
5
jejune
4
debilitating
4
boring
4
draining
3
deadening
3
enervating
3
soporific(adjective, sleepy)
3
unhealthful
2
baneful
2
deadly
2
debilitative
2
deleterious
2
enfeebling
2
injurious
2
insalubrious
2
noxious
2
numbing
2
pernicious
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APASmart Define. (2015). invigorating thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/invigorating/thesaurus/antonyms
ChicagoSmart Define. 2015. "invigorating thesaurus" https://smartdefine.org/invigorating/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, invigorating thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/invigorating/thesaurus/antonyms>.
MLASmart Define. "invigorating thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/invigorating/thesaurus/antonyms>