5
juvenile(adjective, person, age, youth)
5
lit(adjective, colour, brightness, multicolour)
5
little(adjective, person, age, youth)
5
merry(adjective, characteristic, happiness, cheerfulness)
5
multicolored(adjective, colour, brightness, multicolour)
5
new(adjective, person, age, youth)
5
optimistic(adjective, characteristic, happiness, cheerfulness)
5
youthful(adjective, person, age, youth)
4
gay(adjective, characteristic, happiness, cheerfulness)
4
genial(adjective, characteristic, happiness, cheerfulness)
4
lighthearted(adjective, characteristic, happiness, cheerfulness)
4
lively(adjective, characteristic, happiness, cheerfulness)
4
positive(adjective, characteristic, happiness, cheerfulness)
4
solar(adjective, characteristic, shining, gloss)
4
spirited(adjective, characteristic, happiness, cheerfulness)
4
sprightly(adjective, characteristic, happiness, cheerfulness)
4
upbeat(adjective, characteristic, happiness, cheerfulness)
4
vivacious(adjective, characteristic, happiness, cheerfulness)
3
ablaze(adjective, characteristic, shining, gloss)
3
alert(adjective, characteristic, happiness, cheerfulness)
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APASmart Define. (2015). gray thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/gray/thesaurus/antonyms
ChicagoSmart Define. 2015. "gray thesaurus" https://smartdefine.org/gray/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, gray thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/gray/thesaurus/antonyms>.
MLASmart Define. "gray thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/gray/thesaurus/antonyms>