| English | Synonym |
|---|---|
| incisive adjective | acuteadjective discriminatingadjective keenadjective knifelikeadjective penetratingadjective penetrativeadjective perceptiveadjective piercingadjective sharpadjective |
| incisively adverb | exactlyadverb impreciselyadverb inexactlyadverb preciselyadverb |
| incisiveness noun | effectivenessnoun effectivitynoun effectualitynoun effectualnessnoun trenchancynoun |