Meaning & Definition of Formidable in English

1. Extremely impressive in strength or excellence

• "A formidable opponent"

• "The challenge was formidable"

• "Had a formidable array of compositions to his credit"

• "The formidable army of brains at the prime minister's disposal"

2. Inspiring fear

• "The formidable prospect of major surgery"

• "A tougher and more redoubtable adversary than the heel-clicking, jackbooted fanatic"- g.h.johnston

• "Something unnerving and prisonlike about high grey wall"