13 entries under idiom topic. ×

3
old man(expression, veteran)
2
senior citizen
1
five and twenty
1
four and twenty
1
fourscore and ten
1
half a hundred
1
threescore and ten
0
golden ager
0
old boy
0
old person
0
old stager(expression, veteran)
0
old woman
0
very old
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APASmart Define. (2015). octogenarian thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/octogenarian/thesaurus/synonyms
ChicagoSmart Define. 2015. "octogenarian thesaurus" https://smartdefine.org/octogenarian/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, octogenarian thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/octogenarian/thesaurus/synonyms>.
MLASmart Define. "octogenarian thesaurus" 14 April 2015. Web. 2 October 2026. <https://smartdefine.org/octogenarian/thesaurus/synonyms>