clutter up clutterment • cluttery · · · Info · Definitions · Synonyms · Characters · · clutter up · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (verb) fill a space in a disorderly way. Synonyms: clutter, clutter up. · · Verb Definition 1 Synonyms · · · clutter · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075