Synonyms for Clam up

Synonyms starting with letter S

• shut up

  make or be quiet, keep silent, silence
• shush

  calm, make or be quiet, silence
• suppress

  make or be quiet, keep back, silence
• squelch

  make or be quiet, silence, prevent
• silence

  prevent, calm
• satisfy

  calm
• subdue

  make or be quiet, silence, calm
• soften

  calm
• 

  soothe
• still
• soft-pedal
• squash

  prevent
• settle
• sit on

  prevent, keep back
• stifle
• say nothing

  keep silent
• strike dumb
• smother

  prevent
• suffocate
• strangle
• stop
• square
• stroke

  subdue
• slack
• smooth
• spike

  keep back
• stop oneself

  keep back
• stultify
• stagnate
• struck dumb
• sitting on
• stop talking
• settle down
• shout up
• stifled
• silencing
• silences
• stifles
• stuck together
• set down