RIGOROUS

rigorous, stringent, tight

(adjective) demanding strict attention to rules and procedures; “rigorous discipline”; “tight security”; “stringent safety measures”

rigorous, strict

(adjective) rigidly accurate; allowing no deviation from a standard; “rigorous application of the law”; “a strict vegetarian”

Source: WordNet® 3.1

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Etymology

Adjective

rigorous (comparative more rigorous, superlative most rigorous)

Showing, causing, or favoring rigour; scrupulously accurate or strict; thorough.

Severe; intense.

Synonyms

• (showing, causing or favoring rigor): painstaking, scrupulous; see also meticulous

• (severe; intense): harsh, strict; see also stern

Antonyms

• (severe; intense): arbitrary, capricious, whimsical

Source: Wiktionary

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Rig"or*ous, a. Etym: [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. He shall be thrown down the Tarpeian Rock With rigorous hands. Shak. We do not connect the scattered phenomena into their rigorous unity. De Quincey.

2. Severe; intense; inclement; as, a rigorous winter.

3. Violent. [Obs.] "Rigorous uproar." Spenser.

Syn.

– Rigid; inflexible; unyielding; stiff; severe; austere; stern; harsh; strict; exact.

– Rig"or*ous*ly, adv.

– Rig"or*ous*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition

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