Answer:

dive

Answer	Crossword Clue
DIVE	Jump in head-first
DIVE	Phony knockout
DIVE	Seedy bar

DIVE	Nose or skin ender
DIVE	Word before bar or bomb
DIVE	Jackknife, for one
DIVE	Rough club
DIVE	Dishonest boxer's action
DIVE	Jump off the board
DIVE	Sharp decline
DIVE	Go off the deep end

DIVE	Joint
DIVE	Seedy joint
DIVE	Honky-tonk
DIVE	It might land you in deep water
DIVE	Go off the board
DIVE	Ring pretense
DIVE	Greasy spoon
DIVE	Deliberate loss, in boxing

DIVE	Jackknife or belly flop
DIVE	Emulate Greg Louganis
DIVE	Take the plunge
DIVE	Spring from a board
DIVE	Deliberate loss
DIVE	Dumpy bar
DIVE	Submarine captain's command
DIVE	Bad place to eat

DIVE	Go off the deep end?
DIVE	Submarine order
DIVE	Plunge headfirst
DIVE	Submarine captain's order
DIVE	Submarine skipper's command
DIVE	Swan, for one
DIVE	Plummet
DIVE	Venue for many a start-up band

DIVE	Terrible bar
DIVE	No place to take a lady
DIVE	Plunge
DIVE	Submarine command
DIVE	Cannonball, e.g.