Unbendable
Part of speech: adjective
Definition: not bendable
Unfaltering
Part of speech: adjective
Definition: Without faltering, continuous, steadfast.
Unbendable as an adjective is not bendable while Unfaltering as an adjective is without faltering, continuous, steadfast.
Part of speech: adjective
Definition: not bendable
Part of speech: adjective
Definition: Without faltering, continuous, steadfast.
We hope you now know whether to use Unbendable or Unfaltering in your sentence.