- strange ► ADJECTIVE 1) unusual or surprising. 2) not previously visited, seen, or encountered. 3) (strange to/at/in) archaic unaccustomed to or unfamiliar with. 4) Physics denoting one of the six flavours of quark.DERIVATIVES strangely adverb strangeness noun.ORIGIN Old French estrange, from Latin extraneus 'external, strange' .
English terms dictionary. 2015.