Definify.com
Webster 1913 Edition
Inflexible
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.
“
Inflexible
as steel.” Miltom.
A man of upright and
inflexible
temper . . . can overcome all private fear. Addison.
3.
Incapable of change; unalterable; immutable.
Syn. – – Unbending; unyielding; rigid; inexorable; pertinacious; obstinate; stubborn; unrelenting.