Synonyms: redoubtable, unnerving, formidable
Definition: inspiring fear
Usage: 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
Similar words: alarming
Definition: frightening because of an awareness of danger
Synonyms: redoubtable
Definition: worthy of respect or honor
Usage: born of a redoubtable family
Similar words: reputable
Definition: having a good reputation
Usage: a reputable business; a reputable scientist; a reputable wine