[in-sahy-siv] /ɪnˈsaɪ sɪv/
penetrating; cutting; biting; trenchant:
an incisive tone of voice.
remarkably clear and direct; sharp; keen; acute:
an incisive method of summarizing the issue.
adapted for cutting or piercing.
of or relating to the :
the incisive teeth.
keen, penetrating, or acute
biting or sarcastic; mordant: an incisive remark
having a sharp cutting edge: incisive teeth
early 15c., inscisif, “slashing, cutting with a sharp edge,” from Middle French incisif and directly from Medieval Latin incisivus, from Latin incis-, past participle stem of incidere (see incision). Originally literal; figurative sense of “mentally acute” first recorded 1850 as a borrowing from French. Related: Incisively; incisiveness.
incisive in·ci·sive (ĭn-sī’sĭv)
- Incisive bone
incisive bone n. The anterior and inner portion of the upper jawbone. Also called intermaxillary bone, premaxillary bone.
- Incisive canal
incisive canal n. Any of several bony canals that lead from the floor of the nasal cavity into the incisive fossa on the palatal surface of the maxilla and convey the nasopalatine nerves and branches of the greater palatine arteries. Also called incisor canal.
- Incisive fossa
incisive fossa n. The depression in the midline of the bony palate behind the central incisors into which the incisive canals open.
- Incisive foramen
incisive foramen n. Any of usually four openings of the incisive canals into the incisive fossa of the hard palate.