66 entries under unintelligent topic. ×

33
superficial(adjective, light, weak, smooth, slight)
24
surface(noun, adjective, slight, low, detail)
17
frivolous(adjective, light, slight, detail, small)
17
skin-deep(adjective, slight, detail, trivial, surface)
16
slight(adjective, weak, flat, poor, thin)
14
trivial(adjective, light, slight, detail, small)
11
silly(adjective, slight, detail, small, foolish)
11
trifling(adjective, slight, small, insignificant, deep)
10
empty(adjective, slight, detail, small, deep)
9
cursory(adjective, slight, detail, deep, casual)
9
foolish(adjective, dull, slight, silly, stupid)
8
flimsy(adjective, strong, light, slight, thin)
8
petty(adjective, slight, small, silly, foolish)
7
sketchy(adjective, slight, rough, detail, trivial)
5
idle(adjective, ignorant, unimportance)
5
dull(adjective, silly, stupid, sluggish, green)
5
inane(adjective, slight, small, silly, stupid)
5
simple(adjective, light, smooth, slight, slow)
5
uncritical(adjective, slight, detail, silly, casual)
5
vacuous(adjective, simple, slow, stupid, boring)
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APASmart Define. (2016). shallow thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/shallow/thesaurus/synonyms
ChicagoSmart Define. 2016. "shallow thesaurus" https://smartdefine.org/shallow/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, shallow thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/shallow/thesaurus/synonyms>.
MLASmart Define. "shallow thesaurus" 7 March 2016. Web. 27 September 2026. <https://smartdefine.org/shallow/thesaurus/synonyms>