Thesaurus
onerous
adjective
Synonyms and Antonyms of ONEROUS
1
difficult to endure <had the onerous and stressful job of notifying the families of soldiers killed in action>
Synonyms bitter, brutal, burdensome, cruel, excruciating, grievous, grim, hard, hardhanded, heavy, inhuman, murderous, onerous, oppressive, rough, rugged, searing, severe, stiff, tough, trying
Related Words austere, bleak, comfortless, discomforting, forbidding, inhospitable, spartan, uncomfortable; biting, inclement, intemperate, wild; rigorous, strict, stringent; agonizing, heartbreaking, heartrending, painful, wretched; crushing, grinding, overwhelming, wearing; insufferable, insupportable, intolerable, unbearable, unendurable; harrowing, tortuous; bad, disagreeable, hostile, unfriendly, unpleasant
2
requiring much time, effort, or careful attention <building the scale model of the frigate was an onerous task>
Synonyms arduous, burdensome, challenging, exacting, grueling (or gruelling), killing, laborious, onerous, persnickety, taxing, toilsome
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