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rigid

[rij-id]
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adjective
  1. stiff or unyielding; not pliant or flexible; hard: a rigid strip of metal.
  2. firmly fixed or set.
  3. inflexible, strict, or severe: a rigid disciplinarian; rigid rules of social behavior.
  4. exacting; thorough; rigorous: a rigid examination.
  5. so as to meet precise standards; stringent: lenses ground to rigid specifications.
  6. Mechanics. of, relating to, or noting a body in which the distance between any pair of points remains fixed under all forces; having infinite values for its shear modulus, bulk modulus, and Young's modulus.
  7. Aeronautics.
    1. (of an airship or dirigible) having a form maintained by a stiff, unyielding structure contained within the envelope.
    2. pertaining to a helicopter rotor that is held fixedly at its root.
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Origin of rigid

1530–40; < Latin rigidus, equivalent to rig(ēre) to be stiff, stiffen + -idus -id4
Related formsri·gid·i·ty, rig·id·ness, nounrig·id·ly, adverbo·ver·rig·id, adjectiveo·ver·rig·id·ly, adverbo·ver·rig·id·ness, nouno·ver·ri·gid·i·ty, nounsub·rig·id, adjectivesub·rig·id·ly, adverbsub·rig·id·ness, nounsub·ri·gid·i·ty, nounun·rig·id, adjectiveun·rig·id·ly, adverbun·rig·id·ness, noun

Synonyms

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1. unbending, firm, inflexible. 2. immovable, static. 3. austere, stern, unyielding. See strict. 4, 5. demanding.

Antonyms

1. elastic. 3. lax.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for rigidly

Contemporary Examples

Historical Examples

  • His first duty is to rigidly keep his trust in its entirety.

    Reflections

    Francois Duc De La Rochefoucauld

  • He swung it rigidly with the rotary and menacing action of a slinger: the 14-lb.

    End of the Tether

    Joseph Conrad

  • She moved her rigidly set face from left to right, negatively.

    Under Western Eyes

    Joseph Conrad

  • I have said now what I rigidly promised Sally not to mention when I came in here.

    Tony Butler

    Charles James Lever

  • Slade had been peering sideways at the rigidly posed Carmena.

    Bloom of Cactus

    Robert Ames Bennet


British Dictionary definitions for rigidly

rigid

adjective
  1. not bending; physically inflexible or stiffa rigid piece of plastic
  2. unbending; rigorously strict; severerigid rules
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adverb
  1. completely or excessivelythe lecture bored him rigid
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Derived Formsrigidly, adverbrigidity or rigidness, noun

Word Origin

C16: from Latin rigidus, from rigēre to be stiff
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rigidly

rigid

adj.

early 15c., from Latin rigidus "hard, stiff, rough, severe," from rigere "be stiff," from PIE *reig- "stretch (tight), bind tightly, make fast" (cf. Old Irish riag "torture," Middle High German ric "band, string"). Related: Rigidly.

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Online Etymology Dictionary, © 2010 Douglas Harper