Definition of incisive
- an incisive analysis
- an incisive unsentimental writer
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She's known for her incisive mind and quick wit.
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Incisive has meant "impressively direct and decisive" since around 1834 and derives from the Latin verb caedere, meaning "to cut." Its linguistic kin include many cuttings from the fruitful stem caedere, such as scissors, chisel, incise ("to cut into or engrave"), excise ("to remove by cutting"), incisor ("a front tooth typically adapted for cutting"), incision ("cut" or "gash"), precise ("minutely exact"), and concise ("brief"). Incisive also carries a couple of lesser-known literal meanings relating to cutting: "having a cutting edge or piercing point" (as in "incisive fangs"), and, in dentistry, "of, relating to, or situated near the incisors."
: very clear and direct : able to explain difficult ideas clearly and confidently
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