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. 
Definition 2025
inflexible
inflexible
English
Adjective
inflexible (comparative more inflexible, superlative most inflexible)
- Not flexible; not capable of bending or being bent; stiff; rigid; firm; unyielding.
 - Not willing to change, e.g. one's opinion or habits; obstinate; stubborn; resolute; determined.
 
Synonyms
- See also Wikisaurus:obstinate
 - unflexible
 
Antonyms
Translations
stiff, rigid
  | 
  | 
obstinate, stubborn
  | 
  | 
Related terms
References
- inflexible in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
 
Asturian
Etymology
From Latin inflexiblis.
Adjective
inflexible (epicene, plural inflexibles)
Antonyms
Catalan
Etymology
From Latin inflexiblis.
Adjective
inflexible m, f (masculine and feminine plural inflexibles)
Antonyms
Derived terms
Related terms
Galician
Alternative forms
Etymology
From Latin inflexiblis.
Adjective
inflexible m, f (plural inflexibles)
Antonyms
Derived terms
Related terms
Spanish
Etymology
From Latin inflexiblis.
Adjective
inflexible m, f (plural inflexibles)