Synonyms|16Antonyms|0|Broader|0Narrower|0Related|0
1
having smarts(expression, fast, subtle)
1
original(fast, subtle)
1
penetrative(fast, subtle)
0
adroit(fast, subtle)
0
critical
0
discriminating
0
fast
0
foxy(fast, subtle)
0
ingenious(fast, subtle)
0
nimble(fast, subtle)
0
not born yesterday(expression, idiom, fast, subtle)
0
quick on the trigger(expression, idiom, fast, subtle)
0
quick on the uptake(expression, idiom, fast)
0
resourceful(fast, subtle)
0
sharp(adjective, perceptive)
0
subtle
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APASmart Define. (2011). smart as a tack thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/smart_as_a_tack/thesaurus/synonyms
ChicagoSmart Define. 2011. "smart as a tack thesaurus" https://smartdefine.org/smart_as_a_tack/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2011, smart as a tack thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/smart_as_a_tack/thesaurus/synonyms>.
MLASmart Define. "smart as a tack thesaurus" 24 May 2011. Web. 21 September 2026. <https://smartdefine.org/smart_as_a_tack/thesaurus/synonyms>