C2 adjective əˈsɪd.ju.əs
assiduous
कर्मठ या मेहनती
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
उनकी कर्मठ कोशिशों ने एक सफल करियर की नींव रखी।