Definition of 'grunt'
- the short low gruff noise of the kind made by hogs
- an unskilled or low-ranking soldier or other worker; "infantrymen in Vietnam were called grunts"; "he went from grunt to chairman in six years"
- medium-sized tropical marine food fishes that utter grunting sounds when caught
- issue a grunting, low, animal-like noise; "He grunted his reluctant approval"