smileyPronunciation: /ˈsmʌɪli/ (also smily)Translate smiley | into French | into Italian Definition of smiley adjective (smilier, smiliest) informal smiling; cheerful:he drew a smiley face noun (plural smileys or smilies) (in electronic communications) a symbol that represents a smiling face, typically formed by the characters :-) and used to indicate that the writer is pleased or joking. smiley in other Oxford dictionaries Definition of smiley in the US English dictionary