flatten out flatten • flattened · · · Info · Definitions · Synonyms · Characters · · flatten out · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (verb) become flat or flatter. Synonyms: flatten, flatten out. Example: "The landscape flattened." · · Verb Definition 1 Synonyms · · · flatten · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075