Onerous and Serious

Onerous adjective - Difficult to endure.

Serious and onerous are semantically related. in difficult topic. In some cases you can use "Serious" instead an adjective "Onerous", when it comes to topics like heavy.

Nearby Word: onerously

Serious adjective - Not joking or playful in mood or manner.

Onerous and serious are semantically related. Sometimes you can use "Onerous" instead an adjective "Serious".

Nearby Words: seriously, seriousness