extreme in Wingdings is ♏︎⌧︎⧫︎❒︎♏︎❍︎♏︎

Extended or contracted as much as possible; -- said ofintervals; as, an extreme sharp second; an extreme flat forth.Extreme and mean ratio (Geom.), the relation of a line and itssegments when the line is so divided that the whole is to the greatersegment is to the less.-- Extreme distance. (Paint.) See Distance., n., 6.-- Extreme unction. See under Unction.