Synonyms|517Antonyms|23|Broader|7Narrower|20Related|266
3
de-energise
2
de-energize
2
depress(verb, droop)
1
droop(verb, complete, bloom)
1
sedate
0
calm
0
calm down
0
chill
0
dishearten
0
dispirit
0
doze
0
fade
0
fatigue
0
flag
0
fling
0
pain
0
relapse
0
sadden
0
sleep
0
tranquilize
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APASmart Define. (2015). perk up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perk_up/thesaurus/antonyms
ChicagoSmart Define. 2015. "perk up thesaurus" https://smartdefine.org/perk_up/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, perk up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perk_up/thesaurus/antonyms>.
MLASmart Define. "perk up thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/perk_up/thesaurus/antonyms>