Main entry: enter, participate
Definition: become a participant; be involved in
Usage: enter a race; enter an agreement; enter a drug treatment program; enter negotiations
Antonyms: quit, throw in, throw in the towel, drop by the wayside, drop out, fall by the wayside, chuck up the sponge, give up
Definition: give up in the face of defeat of lacking hope; admit defeat
Main entry: move into, get in, get into, go in, go into, enter, come in
Definition: to come or go into
Usage: the boat entered an area of shallow marshes