Answer:

deniers

Answer	Crossword Clue
DENIERS	Contrary claimants
DENIERS	Defendants, at times
DENIERS	Suspects, usually

DENIERS	They won't admit it
DENIERS	Negators.
DENIERS	Rayon yarn sizes.
DENIERS	Units of weight for threads of silk, rayon, etc.
DENIERS	Gainsayers
DENIERS	Measures of yarn fineness
DENIERS	Units of fineness for yarns
DENIERS	Naysayers

DENIERS	"Nay" sayers
DENIERS	Group with no admittance?
DENIERS	They just say no
DENIERS	They're not just skeptics
DENIERS	One side of the climate change debate