A grind is a skateboarding trick in street and freestyle, and sometimes in vert and flatland. The grind is the basic trick and the essence of street and freestyle (along with the flip).

The following are the most common grinds:
50-50
Boardslide
Nosegrind
Noseslide
5'0
Tailslide
Crooked Grind
Over-Crook
Smith
Feeble
Bluntslide
Nosebluntslide