adjective
- not elastic; lacking flexibility or resilience; unyielding.
- Economics. relatively unresponsive to changes, as demand when it fails to increase in proportion to a decrease in price.Compare elastic(def 6).
adjective
- not elastic; not resilient
- physics (of collisions) involving an overall decrease in translational kinetic energy
1748, from in- (1) “not, opposite of” + elastic. Figurative use attested by 1867.