Synonyms:
formidable, redoubtable, unnerving
Meaning: 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"
Usage examples
And, as a matter of fact, that redoubtable functionary was alone with the Countess, who waited trembling till he should go.
He believed that two such redoubtable commanders must have formed a plan by this time, and, perhaps in the end, it would be worth a hundred thousand men to know it.
She told us of it, not recognising what a valuable treasure she had brought to light, and directly we saw it, we knew it was the redoubtable button that has been the means of causing such interest in our neighbourhood.'
Why, that was the one thing in the room she wanted to touch; for in it she not only saw the carpet which had been taken up from the floor of the study, but a possible screen behind which anything might lurk--even his redoubtable secret.