Rigorous Rig"or*ous, a. [F. rigoureux, LL. rigorosus. See {Rigor}.] 1. Manifesting, exercising, or favoring rigor; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration. [1913 Webster]

He shall be thrown down the Tarpeian Rock With rigorous hands. --Shak. [1913 Webster]

We do not connect the scattered phenomena into their rigorous unity. --De Quincey. [1913 Webster]

2. Severe; intense; inclement; as, a rigorous winter. [1913 Webster]

3. Violent. [Obs.] ``Rigorous uproar.'' --Spenser. [1913 Webster]

4. (Mathematics, Logic) Adhering scrupulously and exactly to accepted principles; hence, logically valid; as, a rigorous proof. [PJC]

Syn: Rigid; inflexible; unyielding; stiff; severe; austere; stern; harsh; strict; exact. [1913 Webster] -- {Rig"or*ous*ly}, adv. -- {Rig"or*ous*ness}, n. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


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