PROVERBIALLY
proverbially
(adverb) in the manner of something that has become a byword; “this proverbially bitter plant, wormwood”
Source: WordNet® 3.1
Etymology
Adverb
proverbially (comparative more proverbially, superlative most proverbially)
In a manner that uses proverbs; in proverbs.
In a manner reminiscent of a proverb.
Source: Wiktionary
Pro*ver"bi*al*ly, adv.
Definition: In a proverbial manner; by way of proverb; hence, commonly;
universally; as, it is proverbially said; the bee is proverbially
busy.
PROVERBIAL
Pro*ver"bi*al, a. Etym: [L. proverbialis: cf. F. proverbial.]
1. Mentioned or comprised in a proverb; used as a proverb; hence,
commonly known; as, a proverbial expression; his meanness was
proverbial.
In case of excesses, I take the German proverbial cure, by a hair of
the same beast, to be the worst. Sir W. Temple.
2. Of or pertaining to proverbs; resembling a proverb. "A proverbial
obscurity." Sir T. Browne.
Source: Webster’s Unabridged Dictionary 1913 Edition