Meaning : Inspiring fear.
Example :
The formidable prospect of major surgery.
A tougher and more redoubtable adversary than the heel-clicking, jackbooted fanatic.
Something unnerving and prisonlike about high grey wall.
Synonyms : formidable, redoubtable
Unnerving ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Unnerving ka matlab kya hota hai?