*rigid*

‖n.; pl. Frigidaria [ L., neut. of frigidarium cooling. ] The cooling room of the Roman thermæ, furnished with a cold bath. [ 1913 Webster ]

n. [ L. frigiditas: cf. F. frigidité. ] 1. The condition or quality of being frigid; coldness; want of warmth. [ 1913 Webster ]

Ice is water congealed by the frigidity of the air. Sir T. Browne. [ 1913 Webster ]

2. Want of ardor, animation, vivacity, etc.; coldness of affection or of manner; dullness; stiffness and formality; as, frigidity of a reception, of a bow, etc. [ 1913 Webster ]

3. Want of heat or vigor; as, the frigidity of old age. [ 1913 Webster ]

adv. In a frigid manner; coldly; dully; without affection. [ 1913 Webster ]

n. The state of being frigid; want of heat, vigor, or affection; coldness; dullness.

v. t. [ L. infrigidatus, p. p. of infrigidare to chill. See 1st In-, and Frigid. ] To chill; to make cold; to cool. [ Obs. ] Boyle. [ 1913 Webster ]

n. [ L. infrigidatio. ] The act of chilling or causing to become cold; a chilling; coldness; congelation. [ Obs. ] Boyle. [ 1913 Webster ]

adj. (Aeronautics) Not rigid; especially, designating an airship having a shape maintained only by internal gas pressure and without a supporting structure. Opposite of rigid. [ WordNet 1.5 ]

a. Too rigid; too severe. [ 1913 Webster ]

a. [ L. rigidus, fr. rigere to be stiff or numb: cf. F. rigide. Cf. Rigor. ] 1. Firm; stiff; unyielding; not pliant; not flexible. [ 1913 Webster ]

Upright beams innumerable
Of rigid spears. Milton. [ 1913 Webster ]

2. Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid sentence. [ 1913 Webster ]

The more rigid order of principles in religion and government. Hawthorne. [ 1913 Webster ]

Syn. -- Stiff; unpliant; inflexible; unyielding; strict; exact; severe; austere; stern; rigorous; unmitigated. [ 1913 Webster ]

n. [ L. rigiditas: cf. F. rigidité. See Rigid. ] 1. The quality or state of being rigid; want of pliability; the quality of resisting change of form; the amount of resistance with which a body opposes change of form; -- opposed to flexibility, ductility, malleability, and softness. [ 1913 Webster ]

2. Stiffness of appearance or manner; want of ease or elegance. Sir H. Wotton. [ 1913 Webster ]

3. Severity; rigor. [ Obs. orR. ] Bp. Burnet. [ 1913 Webster ]

Syn. -- Stiffness; rigidness; inflexibility. [ 1913 Webster ]

v. In a rigid manner; stiffly. [ 1913 Webster ]

n. The quality or state of being rigid. [ 1913 Webster ]

a. [ Dim. from rigid. ] (Bot.) Somewhat rigid or stiff; as, a rigidulous bristle. [ 1913 Webster ]