Incisory is an adjective that means having the ability to cut or capable of biting. Some synonyms for incisory include incisive, cutting, sharp, biting, penetrating, keen, and trenchant. These words are often used to describe figurative actions or statements that are sharp or cutting in nature. An incisive comment, for example, is one that is sharp and penetrating in its insight or criticism. Likewise, a cutting remark is one that is intended to hurt or wound. In the dental field, incisors are the teeth in the front of the mouth that are used for cutting, hence the term incisory.