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Definitions for Rigidity

[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 . (of an airship or dirigible) having a form maintained by a stiff, unyielding structure contained within the envelope. pertaining to a helicopter rotor that is held fixedly at its root.
[8] not bending; physically inflexible or stiff a rigid piece of plastic
[9] unbending; rigorously strict; severe rigid rules
[10] completely or excessively the lecture bored him rigid

Words related to Rigidity

rigidharshness, rigor, toughness, sternness, sharpness, cruelty, acerbity, strictness, austerity, grimness, stringency, hardness, unkindness, relentlessness, perseverance, contumacy, pigheadedness, inexorableness, intransigence, obstinacy

Words nearby Rigidity

rigidrightsize, rightward, rightwards, righty, rigi, rigid, rigid designator, rigid frame, rigid motion, rigidify, rigidity

Origin of Rigidity

1530–40; < Latin rigidus, equivalent to rig(ēre ) to be stiff, stiffen + -idus -id4

Other words from Rigidity

ri·gid·i·ty , rig·id·ness , noun
rig·id·ly , adverb
o·ver·rig·id , adjective
o·ver·rig·id·ly , adverb
o·ver·rig·id·ness , noun
o·ver·ri·gid·i·ty , noun
sub·rig·id , adjective
sub·rig·id·ly , adverb
sub·rig·id·ness , noun
sub·ri·gid·i·ty , noun
un·rig·id , adjective
un·rig·id·ly , adverb
un·rig·id·ness , noun

Word origin for Rigidity

C16: from Latin rigidus , from rigēre to be stiff

Synonyms for Rigidity

harshness, rigor, acerbity, austerity, cruelty, grimness, hardheartedness, hardness, rigorousness, sharpness, sternness, strictness, stringency, toughness, unkindness