Rigid Definition

Not bending or flexible; stiff and hard.
A rigid metal girder.
Webster's New World
Not moving; set.
Webster's New World
Severe; strict; exacting.
A rigid taskmaster.
Webster's New World
Not changing or adjusting to different conditions or problems.
A rigid thinker; a rigid hierarchy.
American Heritage
Scrupulously or severely maintained or performed; rigorous or harsh.
Rigid discipline.
American Heritage

Origin of Rigid

  • From Latin rigidus (“stiff"), from rigere (“to be stiff"), probably originally "to be straight"; compare rectus (“straight"), from regere (“to stretch"); see regent and right. Compare rigor.

    From Wiktionary

  • Middle English rigide from Latin rigidus from rigēre to be stiff reig- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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