slang form of common greeting what's up?, popular 2000.
addressing abbreviation for care of; common by 1889.
mid-15c., divulgen, "make public, send or scatter abroad" (now obsolete in this general sense), from Latin divulgare "publish, make common," from assimilated form of dis- "apart" (see dis-) + vulgare "make common property," from vulgus "common people" (see vulgar). Sense of "to tell or make known something formerly private or secret" is from c. 1600. Related: Divulged; divulging.
obsolete or colloquial comparative of bad (adj.), common 14c.-18c.
common but incorrect spelling of rarefy (q.v.). Related: Rarified; rarifying.
common name of small, long-tailed freshwater crustaceans, 1620s, a variant of crayfish (q.v.) common in the U.S., but not originally an American form. Also in 19c. American English as a verb, "to back out," in reference to the creature's movements.
"the letter Z," 1670s, now more common in American English.