Synonyms for rigid
modified
Stiff
unyielding, inflexible, hard; see firm 2, stiff 1, unbreakable.
Strict
exact, rigorous, stern, stringent; see definite 1, severe 1, 2.
Fixed
set, unmoving, unyielding; see determined 1, firm 1, resolute 2.
See rigid in Webster's New World Roget's A-Z Thesaurus II
adjective
Not changing shape or bending:
inelastic, inflexible, stiff, unbending, unyielding. See flexibleIncapable of changing or being modified:
immutable, inalterable, inflexible, invariable, ironclad, unalterable, unchangeable. See flexibleFirmly, often unreasonably immovable in purpose or will:
adamant, adamantine, brassbound, die-hard, grim, implacable, incompliant, inexorable, inflexible, intransigent, iron, obdurate, relentless, remorseless, stubborn, unbendable, unbending, uncompliant, uncompromising, unrelenting, unyielding. Idiom: stubborn as a mule (or ox). See resistRigorous and unsparing in treating others:
demanding, exacting, hard, harsh, severe, stern, strict, tough, unyielding. See easy
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