onerous onerosity • onerously · · · Info · Synonyms · Characters · · onerous · · Text Latin · · Script 7 · · Length Synonyms · · · burdensome · · Synonym 1 taxing · · Synonym 2 Characters · · e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075