Answer: PULERS

AnswerCrossword Clue
PULERSWhimpering sorts
PULERS"Boo-hoo!" utterers
PULERSWhiners.
PULERSInfants, at times
pulersto cry in a thin voice; whine; whimper
pulersPULER, one that pules (to whine (to whimper))