Definition of grunt
- grunt Noun A short, snorting sound, often to show disapproval, or used as a reply when one is reluctant to speak.
- grunt Noun The snorting cry of a pig.
- grunt Noun A family of "Perciformes" fish of the family "Haemulidae"
- grunt Noun An infantry soldier. (From the sound he presumably makes when shouldering a pack before starting a road march.)
- grunt Verb Of a person: To make a grunt or grunts.
- grunt Verb Of a pig: To make a grunt or grunts.