burden of proof burdenless • burdenous · · · Info · Definitions · Characters · · burden of proof · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) the duty of proving a disputed charge. Synonyms: burden of proof. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075