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, unnerving
Meaning : Worthy of respect or honor.
Example :
Born of a redoubtable family.
Redoubtable meaning in Bengali (Bangla).