Answer:

ANTI

Answer	Crossword Clue
ANTI	Con man?
ANTI	Cost of a ride
ANTI	Dead against

ANTI	Naysayer
ANTI	Not for
ANTI	Opposed
ANTI	Opposed to
ANTI	Opposer
ANTI	Protesting
ANTI	Social starter
ANTI	Before thesis

ANTI	Climactic intro?
ANTI	Contrarian, perhaps
ANTI	Non-pro
ANTI	Nonsupporter
ANTI	One opposed
ANTI	Opponent
ANTI	Oppositionist
ANTI	Part of ABM

ANTI	Prefix with hero or matter
ANTI	Protest-march participant
ANTI	Protester
ANTI	Start for lock or knock
ANTI	ABM component
ANTI	Against
ANTI	Body starter
ANTI	Con

ANTI	Debate side
ANTI	Not establishment
ANTI	Not pro
ANTI	Prefix with knock or lock
ANTI	...-lock brakes
ANTI	Climax preceder
ANTI	Non-supporter
ANTI	Not in favor of

ANTI	Prefix with nuke or freeze
ANTI	Support withholder
ANTI	Contrarian
ANTI	C(l)o(w)n (bit)
ANTI	Opposing

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.