The term AD is an abbreviation for ADVERTISEMENT, which is a form of communication used to promote or sell a product, service, or idea. The crossword solutions for the term AD include HOC (3 letters), NOTICE (6 letters), ADVERTISEMENT (13 letters), FLIER (5 letters), PLUG (4 letters), BLURB (5 letters), REM (3 letters), PROMO (5 letters), SPOT (4 letters), LIB (3 letters), LIBS (4 letters), BADBACK (7 letters), NAUSEAM (7 letters), and MEDIAMESSAGE (12 letters). These words are all related to ADVERTISEMENT in some way, such as HOC meaning 'head of communications' which is a job title related to advertising, NOTICE being a type of ADVERTISEMENT, FLIER being a type of ADVERTISEMENT distributed by hand, PLUG being a promotional statement, BLURB being a short description of a product, REM being a type of ADVERTISEMENT, PROMO being a promotional offer, SPOT being a type of ADVERTISEMENT, LIB being a library of advertisements, LIBS being a library of advertisements, BADBACK being a type of ADVERTISEMENT, NAUSEAM being a type of ADVERTISEMENT, and MEDIAMESSAGE being a type of ADVERTISEMENT.