clam up

Weak matches

• be silent
• button up
• keep one's trap shut
• not let out a peep
• say nothing
• shut up

Strongest matches

• allay
• appease
• assuage
• hush
• mollify
• muffle
• muzzle
• pacify
• please
• relax
• satisfy
• soften
• soothe
• squelch
• subdue

Strong matches

• ameliorate
• becalm
• choke
• compose
• console
• gag
• gratify
• ice
• inactivate
• lull
• moderate
• palliate
• quieten
• reconcile
• settle
• shush
• silence
• slack
• smooth
• soft pedal
• square
• squash
• still
• stroke
• tranquilize

Weak matches

• button one's lip
• calm down
• can it
• cool it
• cool out
• dummy up
• fix up
• hold it down
• patch things up
• shut up
• take the bite out of

Strong matches

• clam
• dampen
• deaden
• dull
• extinguish
• gag
• hush
• lull
• muffle
• mute
• muzzle
• overawe
• quash
• quell
• quiet
• shush
• soft pedal
• squelch
• stifle
• still
• subdue
• suppress
• tongue-tie

Weak matches

• choke off
• close up
• cool it
• cut off
• cut short
• decrease the volume
• dry up
• dumb
• dummy up
• hold one's tongue
• hush one's mouth
• hush-hush
• keep it down
• pipe down
• quiet down
• say nothing
• shut up
• sit on
• strike dumb

Strong matches

• clam
• dampen
• deaden
• dull
• extinguish
• gag
• hush
• lull
• muffle
• mute
• muzzle
• overawe
• quash
• quell
• quiet
• quieten
• soft pedal
• squelch
• stifle
• still
• subdue
• suppress
• tongue-tie

Weak matches

• choke off
• close up
• cool it
• cut off
• cut short
• decrease the volume
• dry up
• dumb
• dummy up
• hold one's tongue
• hush one's mouth
• hush-hush
• keep it down
• pipe down
• quiet down
• say nothing
• shut up
• sit on
• strike dumb

Strongest matches

• cut off
• gag
• muffle
• mute
• muzzle
• quash
• quell
• squelch
• stifle
• subdue
• suppress

Strong matches

• clam
• dampen
• deaden
• dull
• extinguish
• hush
• lull
• overawe
• quiet
• quieten
• shush
• soft pedal
• still
• tongue-tie

Weak matches

• choke off
• close up
• cool it
• cut short
• decrease the volume
• dry up
• dumb
• dummy up
• hold one's tongue
• hush one's mouth
• hush-hush
• keep it down
• pipe down
• quiet down
• say nothing
• shut up
• sit on
• strike dumb

Strongest matches

• curb
• muzzle
• repress
• silence
• smother
• squelch
• strangle
• suffocate
• suppress

Strong matches

• asphyxiate
• burke
• check
• choke
• constipate
• cork
• extinguish
• gag
• hush
• kill
• muffle
• spike
• squash
• stagnate
• stop
• stultify
• torpedo
• trammel

Weak matches

• black out
• bring to screeching halt
• choke back
• clamp down
• cover up
• crack down
• dry up
• hold it down
• hush up
• put the lid on
• shut up
• sit on

Strongest matches

• conceal
• deduct
• deny
• detain
• hide
• keep
• refuse
• resist
• retain
• suppress

Strong matches

• abstain
• bridle
• check
• constrain
• curb
• disallow
• hold
• inhibit
• kill
• refrain
• repress
• reserve
• restrain
• spike

Weak matches

• dummy up
• hold back
• hold down
• hold out
• hold out on
• keep secret
• keep to oneself
• keep under one's hat
• keep under wraps
• sit on
• stop oneself