Found 2 items, similar to rigorousness.
English → English (WordNet) Definition: rigorousness rigorousness n : something hard to endure; “the asperity of northern winters” [syn: asperity, grimness, hardship, rigor, rigour, severity]
English → English (gcide) Definition: Rigorousness 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]