onerousness

on·er·ous  (nr-s, nr-)

adj.

1. Troublesome or oppressive; burdensome. See Synonyms at burdensome.

2. Law Entailing obligations that exceed advantages.

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[Middle English, from Old French onereus, from Latin onersus, from onus, oner-, burden.]

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oner·ous·ly adv.

oner·ous·ness n.

Thesaurus

Noun

1.

onerousness - unwelcome burdensome difficulty burdensomeness, oppressiveness, heaviness difficultness, difficulty - the quality of being difficult; "they agreed about the difficulty of the climb"