1
heroic
1
hoary
1
immemorial
1
impromptu
1
inveterate
1
legendary
1
linguistic
1
long-established
1
long-standing
1
mythological
1
narrated(vocal, verbal, spoken, uttered)
1
not written(expression, idiom, speech)
1
obliterated
1
of long standing(expression, idiom)
1
of the folk(expression, idiom)
1
offhand
1
offhanded
1
oratorical
1
parol
1
phonated(vocal, verbal, spoken, uttered)
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APASmart Define. (2015). unwritten thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unwritten/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwritten thesaurus" https://smartdefine.org/unwritten/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unwritten thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unwritten/thesaurus/synonyms>.
MLASmart Define. "unwritten thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unwritten/thesaurus/synonyms>