Rigid

rij′id, adj. not easily bent: stiff: severe: strict: unyielding: harsh: without delicacy: wanting in ease.— n. Rigid′ity , the quality of resisting change of form: stiffne of manner.— adv. Rig′idly .— n. Rig′idne .— adj. Rigid′ūlous , rather stiff. [L. rigid us — rigēre , to be stiff with cold.]