Try Our Apps
Dictionary.com

follow Dictionary.com

2017 Word of the Year

rigid

[rij-id] /ˈrɪdʒ ɪd/
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.
Origin of rigid
1530-1540
1530-40; < Latin rigidus, equivalent to rig(ēre) to be stiff, stiffen + -idus -id4
Related forms
rigidity, rigidness, noun
rigidly, adverb
overrigid, adjective
overrigidly, adverb
overrigidness, noun
overrigidity, noun
subrigid, adjective
subrigidly, adverb
subrigidness, noun
subrigidity, noun
unrigid, adjective
unrigidly, adverb
unrigidness, noun
Synonyms
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 Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for rigid
Contemporary Examples
Historical Examples
  • They were hard-featured men, sallow of complexion, rigid in their looks.

  • The rigid lines of black that crossed it were bars—prison bars.

    Within the Law Marvin Dana
  • He pointed to the rigid form of the dead man, lying there so very near them.

    Within the Law Marvin Dana
  • The moral tension, which had held her hopeless and rigid, gave way.

    Tiverton Tales Alice Brown
  • Almamen marked his emotion with an eye and lip of rigid composure.

    Leila, Complete Edward Bulwer-Lytton
British Dictionary definitions for rigid

rigid

/ˈrɪdʒɪd/
adjective
1.
not bending; physically inflexible or stiff: a rigid piece of plastic
2.
unbending; rigorously strict; severe: rigid rules
adverb
3.
completely or excessively: the lecture bored him rigid
Derived Forms
rigidly, adverb
rigidity, 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
Cite This Source
Word Origin and History for 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.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Nearby words for rigid

Word Value for rigid

7
8
Scrabble Words With Friends