21
smart(adjective, light, dark, stupid, active)
20
flirty
19
intelligent(adjective, mind, behavior, disability, foolishness)
18
active(adjective, smart, fast, fixed, afraid)
17
sharp(adjective, smart, active, fast, cutting)
16
romantic
14
awesome(adjective, bad, not cool)
12
interesting(adjective, ordinary, familiar)
11
lively(adjective, smart, active, fast, lethargic)
11
sleek(adjective, smooth, glossy)
10
keen(adjective, calm, sharp, smart, indifferent)
10
luminous(adjective, smart, bright, active, fast)
9
lustrous(adjective, smart, active, fast, shining)
9
ardent
8
bright(adjective, appearance, intelligent, dim, cloudy)
8
exciting(adjective, smart, active, fast)
8
clear(adjective, smart, bright, dirty, active)
8
flabbergast
8
delicious(adjective, trait, attitude, displeasure, tasteless)
8
thought-provoking
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APASmart Define. (2016). dull thesaurus. Retrieved April 22, 2019, from https://smartdefine.org/dull/thesaurus/antonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/antonyms (accessed April 22, 2019).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 22 April, 2019, <https://smartdefine.org/dull/thesaurus/antonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 22 April 2019. <https://smartdefine.org/dull/thesaurus/antonyms>