kept quiet

Related

silentProducing no sound
hushedReduced to silence
mutedMade quieter or softer
suppressedForcibly held down
secretiveInclined to conceal

whispered · concealed · hidden · muffled · stifled · tight-lipped · discreet · unspoken · reserved · withheld · censored · gagged · shushed · confidential · sworn · buttoned-up · sealed · smothered

Opposites

vocal expression

kept quietspoke up

Expressed oneself aloud

spoke out · voiced · shouted · yelled · cried out

disclosure of information

kept quietspilled the beans

Revealed a secret

revealed · disclosed · divulged · exposed · blabbed

attention-seeking behavior

kept quietmade a scene

Behaved dramatically in public

made waves · stood out

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