34 entries under idiom topic. ×

4
florists' chrysanthemum(noun, expression)
2
Chrysanthemum morifolium(noun, expression)
1
Say nothing(noun, expression, taciturnity)
1
dead of night
1
economical of words
1
indisposed to talk
1
sparing of words
0
at a loss for words(expression, quiet, awkward, silent)
0
be silent(expression, taciturnity)
0
bite one's tongue(expression, taciturnity)
0
button the lips(expression, taciturnity)
0
close the lips(expression, taciturnity)
0
cool as cucumber(expression, silent, dazed, dumb)
0
deaf and dumb(expression, aphony)
0
female parent
0
hold one's jaw(expression, taciturnity)
0
hold one's peace(expression, taciturnity)
0
hold one's tongue(expression, taciturnity)
0
keep a secret(expression, taciturnity)
0
keep mum(expression, taciturnity)
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APASmart Define. (2015). mum thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/mum/thesaurus/synonyms
ChicagoSmart Define. 2015. "mum thesaurus" https://smartdefine.org/mum/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, mum thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/mum/thesaurus/synonyms>.
MLASmart Define. "mum thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/mum/thesaurus/synonyms>