offer goods or services at a lower price than (a competitor)

these industries have been undercut by more efficient foreign producers

cut or wear away the part below or under (something, especially a cliff)

the base of the crag is undercut permitting walkers to pass behind the falling water

weaken; undermine

the chairman denied his authority was being undercut

strike (a ball) with backspin so that it bounces high on landing

a space formed by the removal or absence of material from the lower part of something

there may be some bigger fish in the safety of the undercut

the underside of a sirloin of beef

a hairstyle in which the hair is shaved or cut very short on the sides or back of the head but left relatively long on top

she styled her short bob into an edgy undercut