Answer: snicker

AnswerCrossword Clue
SNICKER

Tee-hee

SNICKER

Laugh up one's sleeve

SNICKER

Show of condescension

SNICKER
Laugh snidely
SNICKER
Half-suppressed laugh
SNICKERSound unimpressed
SNICKERSuppressed laugh.
SNICKERGiggle.
SNICKERSly laugh.
SNICKERSmothered giggle.
SNICKERCovert laugh.
SNICKERSmothered laugh
SNICKERStifled laugh
SNICKERSly laugh
SNICKERSnide laugh
SNICKERScornful sound
SNICKERSuppressed laugh
SNICKERSnide response
SNICKERLittle laugh
SNICKERDerisive laugh