Home › Words › W › whaddayacallitwhaddayacallitwhaddayacallit · noun — A metasyntactic term used for any object whose actual name the speaker does not know or cannot remember.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom what do you call it. Compare whatdoyoucallit.nounA metasyntactic term used for any object whose actual name the speaker does not know or cannot remember.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.whatsitsname 76% match — Any object whose name one does not know or cannot remember or immediately bring to mind. vs whaddayacallit →whatsis 73% match — Any object whose actual name one does not know or cannot remember. vs whaddayacallit →whatsaname 69% match — Any object whose name one does not know or cannot remember. vs whaddayacallit →thingamabob 67% match — A thing or person whose actual name is unknown or forgotten. vs whaddayacallit →thingamafuck 67% match — A placeholder term. vs whaddayacallit →doovalacky 66% match — Something that one does not readily recall the name of; a whatchamacallit. vs whaddayacallit →doohickey 65% match — A thing (used in a vague way to refer to something whose name one does not know or cannot recall) vs whaddayacallit →doodad 64% match — Used to refer to something whose name one cannot recall: an unspecified device, gadget, part, or thing. vs whaddayacallit →