A plunge into water, especially headfirst. She executed a perfect dive off the high board.
A steep descent by an aircraft. The pilot performed a dive to avoid enemy fire.
A sudden, sharp drop in value or quality. The stock market took a dive after the announcement.
A disreputable or run-down bar or nightclub. We ended up at a dive on the outskirts of town.
An act of pretending to fall or be knocked down, especially in sports, to deceive the referee. The player was penalized for taking a dive in the penalty area.
An excursion or session of scuba diving. The morning dive took us to a beautiful coral reef.