Definition of onerous in English:

onerous

adjective

  • 1(of a task or responsibility) involving a great deal of effort, trouble, or difficulty.

    ‘he found his duties increasingly onerous’
    • ‘As already indicated, to make a contract that insurance should be in place is all that would be needed, and that is not a difficult or onerous duty to perform.’
    • ‘He says the Birds Australia Council decided that the management task was too onerous for volunteers.’
    • ‘Both of them, not known to shirk work, have taken upon themselves the onerous task of touring Europe to market Kerala.’
    • ‘But the new rules will place onerous responsibilities on employers.’
    • ‘This is an onerous responsibility, a responsibility which cannot be achieved by the notion that might is right.’
    • ‘The onerous task of distributing seed potatoes to the tenantry on the Sligo estate has just been completed.’
    • ‘Eithne also has the onerous task of visiting groups, hospitals and the sick or anyone else that contacts her wishing to see the relic.’
    • ‘In it, Eggers recounted the deaths of his parents, and the lightly borne but nonetheless onerous task of bringing up his youngest brother.’
    • ‘I wonder who she considers would be better equipped for this onerous task, or who would be more likely to possess the necessary wisdom of Solomon?’
    • ‘Without vision, the process of conceptualisation can becomes an onerous task for any individual.’
    • ‘First they had the onerous task of rearranging the furniture.’
    • ‘Not an onerous responsibility, or an unreasonable imposition, it seems to me.’
    • ‘And, one thing that I didn't mention before is that BA have given me another onerous task.’
    • ‘Which means I'll have to resume the onerous task of sending regular e-mail.’
    • ‘Since 1994, the Foundation has taken on the onerous task when little or no help was available.’
    • ‘The government must take on the onerous task of social engineering.’
    • ‘No wonder we cannot find staff for such onerous tasks, the stress day in day out must be disastrous on their health.’
    • ‘And it's an onerous responsibility and he made a decision in the light of the information available to him.’
    • ‘He went on to say: ‘I find it an onerous task for a child to appear in court and be tested in this way.’’
    • ‘A leading Scottish businesswoman has the onerous task of finding a buyer for the beleaguered Millennium Dome in London.’
    burdensome, heavy, inconvenient, troublesome, awkward, crushing, back-breaking, oppressive
    weighty, arduous, strenuous, uphill, difficult, hard, severe, formidable, laborious, herculean, exhausting, tiring, taxing, demanding, punishing, gruelling, exacting, wearing, stiff, stressful, wearisome, fatiguing
    toilsome
    exigent
    View synonyms
    1. 1.1Law
      Involving heavy obligations.
      ‘an onerous lease’
      • ‘The renewal agreement as to the mortgage signed by the Yoos was such that the repayment terms were less onerous.’
      • ‘The specifics of the onerous terms of release were not apparent in the unreported decision.’
      • ‘Some flags of convenience were thus able to avoid the more onerous regulations, which coastal states could do little to enforce.’
      • ‘It seems likely that the net cash position will move into net debt and/or the company will be saddled with onerous lease obligations.’
      • ‘For many chapters, meeting this obligation is neither onerous nor costly.’
      • ‘Furthermore, to take precautions against uninvited guests was thought too onerous a burden to place on landowners.’
      • ‘So he came wanting a really onerous agreement at the end of the conference.’
      • ‘Unprofitable contracts can be ended, and property burdened with onerous obligations disowned.’
      • ‘Stripping out exceptionals and adjusting for onerous lease contracts, profits fell.’
      • ‘It would be unduly onerous for the taxing authorities to ensure that there was a system in place to identify any such inconsistent treatment.’
      • ‘The argument was that the scheme is so oppressive and onerous because it infringes the Applicant's right to work and to respect for his privacy.’
      • ‘Thus his liability under the lease could become even more onerous, without his knowledge or consent.’
      • ‘Occupiers are going to become more aware of onerous lease terms.’
      • ‘The applicant here obviously desires bail but the grant of bail, if the appeal fails, is fairly onerous.’
      • ‘To what extent should special rules govern the incorporation of such onerous clauses in the contract or prohibit their use completely?’
      • ‘The burden is heavy if unusually wide or onerous conditions are to become part of the contract.’
      • ‘The court appreciates that this burden is onerous at this early stage of a proceeding.’
      • ‘The free trade area is the least onerous in terms of involvement.’
      • ‘The terms of the warranty in that declaration were more onerous than those in the Agreement of Purchase and Sale.’
      • ‘Immediately it alleviates the citizenry of onerous repayments on obligations issued by previous governments.’

Origin

Late Middle English: from Old French onereus, from Latin onerosus, from onus, oner- burden.

Pronunciation:

onerous

/ˈəʊn(ə)rəs//ˈɒn(ə)rəs/