Incisive/ɪnˈsaɪsɪv/ Definition 1 of 2Pro Tip 1/3Precision Use 'incisive' to praise someone's ability to analyze or argue with clarity and effectiveness. Her incisive analysis won her the debate competition. Pro Tip 2/3Quick Insight 'Incisive' often implies that someone can come to a smart conclusion quickly. He made an incisive judgment on the case, impressing the jury. Pro Tip 3/3Not Always Positive Although 'incisive' is usually a compliment, it can suggest someone is too direct or harsh. Some found her comments too incisive during the meeting.