56 entries under idiom topic. ×

9
old age(noun, expression, decline, period)
7
blue moon(noun, expression, time, informal)
6
grow old(verb, expression, develop, mature)
6
long time(noun, expression)
3
bring to maturity
3
historic period(noun, expression)
2
forever and a day(noun, expression, time, future)
2
grow feeble(verb, expression, develop, mature)
2
life span
1
become old
1
cheat the undertaker
1
cobwebs of antiquity
1
come of age(expression, advance, develop, grow)
1
come to be(verb, expression, advance, turn)
1
cycle of indiction
1
defeat of time
1
defiance of time
1
dust of ages
1
forever and ever(noun, time)
1
get old
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APASmart Define. (2016). age thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/age/thesaurus/synonyms
ChicagoSmart Define. 2016. "age thesaurus" https://smartdefine.org/age/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, age thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/age/thesaurus/synonyms>.
MLASmart Define. "age thesaurus" 2 March 2016. Web. 22 September 2026. <https://smartdefine.org/age/thesaurus/synonyms>