87 entries under idiom topic. ×

6
customs duty(noun, expression)
4
immemorial usage(expression, impulse, oldness)
4
matter of course(noun, expression, form, action)
2
common law(expression, oldness)
2
made to order(expression, adjective, fancy, customized)
2
prevailing taste(expression, fashion)
1
by the book(noun, expression, style, rule)
1
by the numbers(noun, expression, style, rule)
1
common practice
1
course of action(noun, expression, plan, rule)
1
creature of habit
1
established practice(expression, ritual, institution)
1
force of habit
1
frame of mind(noun, expression, nature, style)
1
habitual patronage
1
in thing(noun, expression, style, passion)
1
infringe a custom(expression, unconformity, desuetude)
1
infringe a habit(expression, unconformity, desuetude)
1
infringe a usage(expression, unconformity, desuetude)
1
last word(expression, form, movement, cause)
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APASmart Define. (2015). custom thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/custom/thesaurus/synonyms
ChicagoSmart Define. 2015. "custom thesaurus" https://smartdefine.org/custom/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, custom thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/custom/thesaurus/synonyms>.
MLASmart Define. "custom thesaurus" 8 December 2015. Web. 23 September 2026. <https://smartdefine.org/custom/thesaurus/synonyms>