sell out sellout • sell short · · · Info · Definitions · Synonyms · Characters · · sell out · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) an act of betrayal. Synonyms: sellout. · · Noun Definition 1 (verb) get rid of all one's merchandise. Synonyms: sell out, sell up, liquidize. · · Verb Definition 1 (verb) give information that compromises others. Synonyms: sell out. · · Verb Definition 2 Synonyms · · · sell up · · Synonym 1 liquidize · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075