8
stimulant(noun, medicine, drugs, medicals)
7
stimulative(adjective, effect, affect, characteristics)
7
analeptic(noun, medicine, drugs, medicals)
7
annoying(adjective, effect, affect, characteristics)
7
painful(adjective, effect, affect, characteristics)
7
stimulating(adjective, effect, affect, characteristics)
6
disturbing(adjective, effect, affect, characteristics)
6
energizing(adjective, effect, affect, characteristics)
6
irritating(adjective, effect, affect, characteristics)
6
perturbing(adjective, effect, affect, characteristics)
6
stressful(adjective, effect, affect, characteristics)
6
troublesome(adjective, effect, affect, characteristics)
6
unsettling(adjective, effect, affect, characteristics)
5
galling(adjective, effect, affect, characteristics)
5
stimulating substance(expression, medicine, substance, stimulation)
5
vexatious(adjective, effect, affect, characteristics)
4
neurotic(noun, medicine, drugs, medicals)
4
bothersome(adjective, effect, affect, characteristics)
4
nasty(adjective, effect, affect, characteristics)
4
troubling(adjective, effect, affect, characteristics)
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APASmart Define. (2015). sedative thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sedative/thesaurus/antonyms
ChicagoSmart Define. 2015. "sedative thesaurus" https://smartdefine.org/sedative/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sedative thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sedative/thesaurus/antonyms>.
MLASmart Define. "sedative thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/sedative/thesaurus/antonyms>