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 (ŏn′ər-əs, ō′nər-)
1. Troublesome or oppressive; burdensome. See Synonyms at burdensome.
2. Law Entailing more liabilities than benefits or imposing significant obligations.

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

on′er·ous·ly adv.
on′er·ous·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.onerousness - unwelcome burdensome difficulty
difficultness, difficulty - the quality of being difficult; "they agreed about the difficulty of the climb"
References in periodicals archive ?
Nothing more can be done-despite the glaring onerousness on view?
One critical issue relating to noncustodial sentences in various jurisdictions is the nature and onerousness of the requirements attached to sanctions implemented in the community.
Adkins wrote for the majority.<br />"Maryland precedent and that of other jurisdictions demonstrates that onerousness requires a consideration of all the facts and circumstances of the journey," Adkins added.
Olayinka has never shown devastation in the face of the onerousness of his office.
The iterative activity loses its onerousness ("the time slips
from climate change" (L), and "the onerousness of taking
The uptake of the licensing scheme is likely to be highly dependent upon the cost of obtaining a licence and the onerousness of procedures and record-keeping required to establish that a diligent search has been made.
It comes down to who is the best person for the job because we all understand the onerousness of the fiduciary responsibility we owe to the shareholders.