beef up beef tongue • beef wellington · · · Info · Definitions · Synonyms · Characters · · beef up · · Text Common · · Latin · · Scripts 7 · · Length 2 · · Syllables Definitions · · · (verb) make strong or stronger. Synonyms: strengthen, beef up, fortify. Examples: "This exercise will strengthen your upper body." "Strengthen the relations between the two countries." · · Verb Definition 1 Synonyms · · · strengthen · · Synonym 1 fortify · · Synonym 2 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 p latin small letter p U+0070 u latin small letter u U+0075