பொருள் : Characterized by effort to the point of exhaustion. Especially physical effort.
எடுத்துக்காட்டு :
Worked their arduous way up the mining valley.
A grueling campaign.
Hard labor.
Heavy work.
Heavy going.
Spent many laborious hours on the project.
Set a punishing pace.
ஒத்த சொற்கள் : backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome
பொருள் : Difficult to accomplish. Demanding considerable mental effort and skill.
எடுத்துக்காட்டு :
The arduous work of preparing a dictionary.