rigidity

synonyms

abidingness

absoluteness

accuracy

adamantness

attention to fact

austerity

care for truth

changelessness

concentration

constancy

correctness

delicacy

dourness

durability

durableness

duration

endurance

exactitude

exactness

faithfulness

faultlessness

fidelity

fineness

firmness

firmness of mind

fixedness

flawlessness

flintiness

formality

frozenness

fundamentalism

grimness

hard-bittenness

hard-nosedness

hardening

hardness

immobility

immobilization

immovability

immovableness

immutability

implacability

impliability

inelasticity

inertia

inexorability

inextricability

inflexibility

inflexibility

intransigeance

hypernyms

unadaptability

same-contexts

austerity

clearness

coldness

composure

dryness

earnestness

firmness

flexibility

hardness

harshness

heaviness

immobility

pallor

paralysis

regularity

rigor

rigour

severity

solidity

stiffness

stillness

torpor

uniformity

rhymes

acidity

fluidity

humidity

liquidity

morbidity

rapidity

solidity

superfluidity

timidity

turbidity

validity

antonyms

ductility

flexibility

malleability

softness