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 February 21, 2019, from https://smartdefine.org/dull/thesaurus/antonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/antonyms (accessed February 21, 2019).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 21 February, 2019, <https://smartdefine.org/dull/thesaurus/antonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 21 February 2019. <https://smartdefine.org/dull/thesaurus/antonyms>