1
monster(noun, adult)
1
mossback
1
old chap
1
old codger
1
old dog
1
old duffer
1
old geezer
1
old gent
1
old gentleman
1
old hand(noun, adult)
1
old party
1
older
1
paterfamilias(noun, boss, ruler, founder, supervisor)
1
patriarchal
1
presbyter
1
professional(noun, adult)
1
seer(noun, veteran)
1
senior(noun, adult)
1
septuagenarian
1
venerable sir
10 years ago|2.1k views|share |citing 
APASmart Define. (2016). graybeard thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/graybeard/thesaurus/synonyms
ChicagoSmart Define. 2016. "graybeard thesaurus" https://smartdefine.org/graybeard/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, graybeard thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/graybeard/thesaurus/synonyms>.
MLASmart Define. "graybeard thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/graybeard/thesaurus/synonyms>