Definitions for unbendable
Random House Webster's College Dictionary
(v.t.)to straighten from a bent form or position.
to ease from the strain of formality, intense effort, etc.; relax.
to release from tension, as a bow.
Naut. to loose or untie, as a sail or rope. to unfasten from spars or stays, as sails.
(v.i.)to act in an easy, genial manner.
to become unbent; straighten.
Origin of unbend:
firm, steadfast, steady, stiff, unbendable, unfaltering, unshakable, unwavering(adj)
marked by firm determination or resolution; not shakable
"firm convictions"; "a firm mouth"; "steadfast resolve"; "a man of unbendable perseverence"; "unwavering loyalty"