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Definitions for Rigorous

[1] characterized by rigor; rigidly severe or harsh, as people, rules, or discipline: rigorous laws.
[2] severely exact or accurate; precise: rigorous research.
[3] (of weather or climate) uncomfortably severe or harsh; extremely inclement.
[4] Logic , Mathematics . logically valid.
[5] characterized by or proceeding from rigour; harsh, strict, or severe rigorous discipline
[6] severely accurate; scrupulous rigorous book-keeping
[7] (esp of weather) extreme or harsh
[8] maths logic (of a proof) making the validity of the successive steps completely explicit

Words related to Rigorous

precise, uncompromising, onerous, stringent, harsh, scrupulous, meticulous, brutal, correct, strict, burdensome, rigid, exacting, proper, accurate, ascetic, austere, bitter, definite, dogmatic

Words nearby Rigorous

rigolet, rigoletto, rigor, rigor mortis, rigorism, rigorous, rigour, rigsdag, rigsdaler, riis, rijeka

Origin of Rigorous

First recorded in 1350–1400; Middle English word from Medieval Latin word rigōrōsus. See rigor, -ous

Other words from Rigorous

rig·or·ous·ly , adverb
rig·or·ous·ness , noun
o·ver·rig·or·ous , adjective
o·ver·rig·or·ous·ly , adverb
o·ver·rig·or·ous·ness , noun
self-rig·or·ous , adjective
sem·i·rig·or·ous , adjective
sem·i·rig·or·ous·ly , adverb
sem·i·rig·or·ous·ness , noun
un·rig·or·ous , adjective
un·rig·or·ous·ly , adverb
un·rig·or·ous·ness , noun

Synonyms for Rigorous

accurate, brutal, burdensome, correct, exacting, harsh, meticulous, onerous, precise, proper, rigid, scrupulous, strict, stringent, uncompromising, ascetic, austere, bitter, definite, dogmatic, hard, inclement, inflexible, intemperate, ironhanded, nice, oppressive, punctilious, right, rugged, stern, stiff, unpermissive