Meaning : Not easily borne. Wearing.
Example :
The burdensome task of preparing the income tax return.
My duties weren't onerous; I only had to greet the guests.
A taxing schedule.
Synonyms : burdensome, taxing
Onerous ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Onerous ka matlab kya hota hai?