Antonyms of adj redoubtable

2 senses of redoubtable

Sense 1
formidable, redoubtable, unnerving -- (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")

INDIRECT (VIA alarming) -> unalarming -- (not alarming; assuaging alarm)

Sense 2
redoubtable -- (worthy of respect or honor; "born of a redoubtable family")

INDIRECT (VIA reputable) -> disreputable -- (lacking respectability in character or behavior or appearance)

Similarity of adj redoubtable

2 senses of redoubtable

Sense 1
formidable, redoubtable, unnerving -- (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")
       => alarming (vs. unalarming) -- (frightening because of an awareness of danger)

Sense 2
redoubtable -- (worthy of respect or honor; "born of a redoubtable family")
       => reputable (vs. disreputable) -- (having a good reputation; "a reputable business"; "a reputable scientist"; "a reputable wine")