unrigid

rig·id

U u

Definitions of unrigid word

adjective unrigid stiff or unyielding; not pliant or flexible; hard: a rigid strip of metal. 1
adjective unrigid firmly fixed or set. 1
adjective unrigid inflexible, strict, or severe: a rigid disciplinarian; rigid rules of social behavior. 1
adjective unrigid exacting; thorough; rigorous: a rigid examination. 1
adjective unrigid so as to meet precise standards; stringent: lenses ground to rigid specifications. 1
adjective unrigid 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. 1

before 1530

One of the 29% oldest English words

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

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 95% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

This diagram is provided by Google Ngram Viewer