boost up boost • boost-bundles · · · Info · Definitions · Characters · · boost up · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (verb) push upward. Synonyms: boost up. Example: "She pushed up her children when the policeman came by." · · Verb Definition 1 Characters · · space U+0020 b latin small letter b U+0062 o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075