Term: arduousness: extreme effortfulness
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: slough: a hollow filled with mud
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: pansexual: a person who participates in (or is open to) sexual activities of many kinds
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: bourbon: a European royal line that ruled in France (from 1589-1793) and Spain and Naples and Sicily
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: old man: (slang) boss
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: development: a recent event that has some relevance for the present situation
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: vacuolization: the state of having become filled with vacuoles
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: loco disease: a disease of livestock caused by locoweed poisoning; characterized by weakness and lack of coordination and trembling and partial paralysis
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: reflectiveness: the capability of quiet thought or contemplation
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: coral bean tree: deciduous shrub having racemes of deep red flowers and black-spotted red seeds
Broader: effortfulness: the quality of requiring deliberate effort | Unrelated: lentil: the fruit or seed of a lentil plant