Definitions for: Proverbially

[adv] in the manner of something that has become a byword; "this proverbially bitter plant, wormwood"

Webster (1913) Definition: Pro*ver"bi*al*ly, adv.
In a proverbial manner; by way of proverb; hence, commonly;
universally; as, it is proverbially said; the bee is
proverbially busy.