Word Type

Adjective

Adjective

The word "inflexible" can be used as adjective and adjective.

Word Relationships

Opposites (Antonyms)

flexible flexible

Derived From

flexible

Related Terms

inflexibility inflexibleness inflexibly

Related Terms

bend change flexibility flexible habits inelastic inflexibility inflexibleness inflexibly opinion

Similar Terms

adamant adamantine brassbound brassbound die-hard fossilised fossilised fossilized hard core hard-core hard-line hardline inelastic inexorable intransigent intransigent ironclad muscle bound muscle-bound obstinate ossified rigid rigid rock ribbed rock-ribbed semirigid semirigid stiff stubborn unadaptable unregenerate

Synonym Network

hardline intransigent unbending uncompromising unflexible

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.