WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. formidable, redoubtable, unnerving, alarming (vs. unalarming)
- usage: 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"
- 2. redoubtable, reputable (vs. disreputable)
- usage: worthy of respect or honor; "born of a redoubtable family"
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See also: redoubtable (Dictionary)