Rig'id, a.
a. [Lat. rigidus, to be stiff or numb, allied to Gr. ῥιγεῖν, to shiver or shudder with cold; Fr. rigide, roide, Sp. & It. rigido.] 1. Rendered not pliant; having become so firm as not to be easily bent; stiff;— opposed to flexible.
Upright beams innumerable Of rigid spears. — Milton.
Sense 2. Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; a rigid officer; rigid discipline; rigid criticism; a rigid sentence or judgment.
Synonyms—Stiff; unpliant; inflexible; unyielding; strict; exact; severe; austere; stern; rigorous; unmitigated.