[[File:Flammablecabinet.jpg|thumb|right|In English, "inflammable" is an auto-antonym which can mean either "combustible" or "noncombustible" so English safety labels typically use "Flammable". In Spanish and French "inflam[m]able" only means "combustible", so a multilingual safety cabinet can appear to be contradictory—is this a cabinet for combustible or noncombustible materials?]]
An auto-antonym (sometimes spelled autantonym), or contronym (also spelled contranym), is a word with a homograph (another word of the same spelling) which is also an antonym (a word with the opposite meaning...