bn:00049587n
Noun Concept
EN
laboriousness  operoseness  toilsomeness
EN
The quality of requiring extended effort WordNet 3.0
Definitions
Relations
Sources
EN
The quality of requiring extended effort WordNet 3.0 & Open English WordNet
The quality of being toilsome. Wiktionary
DERIVATION
WordNet 3.0 & Open English WordNet
Wiktionary