In‐flex″i‐ble (?), a. [L. inflexiblis: cf. F. inflexible. See In- not, and Flexible.] 1. Not capable of being bent; stiff; rigid; firm; unyielding.
2. Firm in will or purpose; not to be turned, changed, or altered; resolute; determined; unyieding; inexorable; stubborn.
“Inflexibleas steel.” Miltom.
A man of upright and inflexible temper... can overcome all private fear. Addison.
3. Incapable of change; unalterable; immutable.
The nature of things is inflexible. I. Watts.
Syn. — — Unbending; unyielding; rigid; inexorable; pertinacious; obstinate; stubborn; unrelenting.