Synonyms for onerous

Synonyms for (adjective) onerous

Synonyms: taxing, burdensome, onerous

Definition: not easily borne; wearing

Usage: the burdensome task of preparing the income tax return; my duties weren't onerous; I only had to greet the guests; a taxing schedule

Similar words: heavy

Definition: marked by great psychological weight; weighted down especially with sadness or troubles or weariness

Usage: a heavy heart; a heavy schedule; heavy news; a heavy silence; heavy eyelids