whatnot UK /ˈwɒt.nɒt/US /ˈwʌt.nɑt/noun 3forms 1phrases 1 noun3 •Other related objects or ideas.At the lexicography club, we welcome all discussion of words and whatnot.All of the cakes and whatnot have been laid out, ready for the children's birthday party this afternoon. •A small unspecified object; bric-a-brac (in plural).Storage boxes—catchalls for flotsam, jetsam, whatnots and thingamajigs—are gaining new interest as decorative objects for the home. — 1991 •A freestanding set of shelves on which ornaments are displayed; an etagere.On a whatnot in a corner which had been devoted to the child's belongings were Franky's paint-box and some of his toys. — 1913 formswhatnots Phrases with whatnot and whatnotAnd so on; et cetera.