laborious laboringly • laboriously · · · Info · Synonyms · Characters · · laborious · · Text Latin · · Script 9 · · Length Synonyms · · · arduous · · Synonym 1 backbreaking · · Synonym 2 grueling · · Synonym 3 gruelling · · Synonym 4 hard · · Synonym 5 heavy · · Synonym 6 operose · · Synonym 7 punishing · · Synonym 8 toilsome · · Synonym 9 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 i latin small letter i U+0069 l latin small letter l U+006C 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