0
long-haired(smart, skillful, nimble-witted)
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mindful(perceptive, observant, insightful)
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nimble(adjective, fast, subtle)
0
nimble-witted(adjective, smart, bright, intelligent, clever)
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no dummy(expression, smart, skillful, nimble-witted)
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no slouch(expression, smart, skillful, nimble-witted)
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not born yesterday(expression, adjective, idiom, fast, subtle)
0
noticing(perceptive, observant, insightful)
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noting(perceptive, observant, insightful)
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observational
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observing(perceptive, observant, insightful)
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on the beam(expression, idiom, smart, skillful, nimble-witted)
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on the move(expression, idiom, smart, skillful, nimble-witted)
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on to(expression, perceptive, observant, insightful)
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penetrant(adjective, piercing)
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penetration
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perceiving(perceptive, observant, insightful)
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percipient(adjective, understanding, keen, sensitive, perceptive)
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permeable
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permeates
13 years ago|4.2k views|share |citing 
APASmart Define. (2013). penetrative thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/penetrative/thesaurus/synonyms
ChicagoSmart Define. 2013. "penetrative thesaurus" https://smartdefine.org/penetrative/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, penetrative thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/penetrative/thesaurus/synonyms>.
MLASmart Define. "penetrative thesaurus" 28 June 2013. Web. 28 September 2026. <https://smartdefine.org/penetrative/thesaurus/synonyms>