- inflexible
- adj1. rigid, stiff, unbendable, unad-justable, hard, unyielding, unretractable; firm, tense, unmalleable, unlimber, Inf. stiff as a poker, Inf. out of condition.2. immovable, Inf. hard as nails, Inf. stiff as a ramrod; unadaptable, unaccommodating, unresponsive, uncompliant; stubborn, obstinate, intractable, obdurate, unbending, intolerant; adamant, relentless, implacable, unappeasable, unpacifiable, not to be pacified, unmollifiable, unreconcilable; unforgiving, grudge-holding, vengeful, revengeful; merciless, unmerciful, pitiless, unpitying; uncompassionate, uncompassioned, unsympathizing, unsympathetic, hardhearted, heartless, cruel.3. unalterable, unchangeable, unvarying, hard and fast, ironclad; undeviating, resolute, steadfast, persevering, resolved, determined, tenacious, decided, firm, indomitable; Inf. set in one's ways, overly conservative, Inf. old-poopish, refractory, perverse.
A Note on the Style of the synonym finder. 2014.