57 entries under idiom topic. ×

2
still as death(expression, quiescence)
1
at a standstill(expression, adjective, tranquil, motionless)
1
at rest(expression, adjective, calm, quiet)
1
could hear a pin drop(expression, adjective, close, quiet)
1
economical of words
1
hush as death
1
in the background(expression, mysterious, reticent, taciturn)
1
indisposed to talk
1
not saying boo(expression, adjective, close, quiet)
1
on the QT(expression, reserved, reticent, taciturn)
1
render mute(expression, taciturnity, aphony)
1
sparing of words
1
write from memory
1
zipper the lips(expression, taciturnity)
0
at a halt(expression, adjective, tranquil, motionless)
0
at a loss for words(expression, quiet, awkward, speechless)
0
at anchor(expression, quiescence)
0
be quiet
0
be silent(expression, taciturnity)
0
bite one's tongue(expression, taciturnity)
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APASmart Define. (2016). silent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/silent/thesaurus/synonyms
ChicagoSmart Define. 2016. "silent thesaurus" https://smartdefine.org/silent/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, silent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/silent/thesaurus/synonyms>.
MLASmart Define. "silent thesaurus" 3 April 2016. Web. 25 September 2026. <https://smartdefine.org/silent/thesaurus/synonyms>