Answer: soreloser

AnswerCrossword Clue
SORELOSER

Grumbling one, perhaps

SORELOSER

Whiny type, maybe

SORELOSER

Hardly the gracious type

SORELOSER
One griping about being knocked off
SORELOSER
Poor sport
SORELOSER"You got lucky" mutterer
SORELOSERSour grapes player
SORELOSERUngracious also-ran
SORELOSERCrybaby of a sort
SORELOSERPostgame finger-pointer
SORELOSERBoard flipper, maybe
SORELOSERUngracious type
SORELOSERUngracious one
SORELOSEROne who's no fun
SORELOSERCourt crybaby
SORELOSERHe's irritated when mated
SORELOSERSpoilsport of a sort
SORELOSERBad sport
SORELOSEROne might refuse to shake hands
SORELOSEROne who refuses to shake hands, maybe
SORELOSERExcuse maker, maybe
SORELOSEROne who storms off, maybe
SORELOSERSour grapes type
SORELOSERWhiner, of a sort
SORELOSEROne moaning and groaning after a defeat
SORELOSEROne who gets upset twice?
SORELOSERWhiner who wants to be a winner