10 entries under idiom topic. ×

1
advanced in years
1
first among siblings
0
ever so
0
high grave
0
make great
0
make large
0
of a former period(expression, senior, oldest)
0
of an earlier time(expression, senior, oldest)
0
of long standing(expression, oldness)
0
very much
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APASmart Define. (2015). eldest thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/eldest/thesaurus/synonyms
ChicagoSmart Define. 2015. "eldest thesaurus" https://smartdefine.org/eldest/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, eldest thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/eldest/thesaurus/synonyms>.
MLASmart Define. "eldest thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/eldest/thesaurus/synonyms>