Definify.com
Webster 1913 Edition
Rigid
1.
Firm; stiff; unyielding; not pliant; not flexible.
Upright beams innumerable
Of
Of
rigid
spears. Milton.
2.
Hence, not lax or indulgent; severe; inflexible; strict;
as, a
rigid
father or master; rigid
discipline; rigid
criticism; a rigid
sentence.The more
rigid
order of principles in religion and government. Hawthorne.
Syn. – Stiff; unpliant; inflexible; unyielding; strict; exact; severe; austere; stern; rigorous; unmitigated.
Webster 1828 Edition
Rigid
RIG'ID
,Adj.
1.
Stiff; not pliant; not easily bent. It is applied to bodies or substances that are naturally soft or flexible, but not fluid. We never say, a rigid stone or rigid iron, nor do we say, rigid ice; but we say, an animal body or limb, when cold, is rigid. Rigid is then opposed to flexible, but expresses less than inflexible.2.
Strict in opinion, practice or discipline; severe in temper; opposed to lax or indulgent; as a rigid father or master; a rigid officer.3.
Strict; exact; as a rigid law or rule; rigid discipline; rigid criticism.4.
Severely just; as a rigid sentence or judgment.5.
Exactly according to the sentence or law; as rigid execution.