operoseness operosely • operosity · · · Info · Definitions · Synonyms · Characters · · operoseness · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the quality of requiring extended effort. Synonyms: laboriousness, toilsomeness. · · Noun Definition 1 Synonyms · · · laboriousness · · Synonym 1 toilsomeness · · Synonym 2 Characters · · e latin small letter e U+0065 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 s latin small letter s U+0073