Rigorous vs. Vigorous

Rigorousadjective

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

‘a rigorous officer of justice’; ‘a rigorous execution of law’; ‘a rigorous inspection’;

Vigorousadjective

Physically strong and active.

Rigorousadjective

Severe; intense.

‘a rigorous winter.’;

Vigorousadjective

Rapid of growth.

‘a vigorous shrub’;

Rigorousadjective

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 RockWith rigorous hands.’; ‘We do not connect the scattered phenomena into their rigorous unity.’;

Vigorousadjective

Possessing vigor; full of physical or mental strength or active force; strong; lusty; robust; as, a vigorous youth; a vigorous plant.

‘Famed for his valor, young,At sea successful, vigorous and strong.’;

Rigorousadjective

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

Vigorousadjective

Exhibiting strength, either of body or mind; powerful; strong; forcible; energetic; as, vigorous exertions; a vigorous prosecution of a war.

‘The beginnings of confederacies have been always vigorous and successful.’;

Rigorousadjective

Violent.

Vigorousadjective

characterized by forceful and energetic action or activity;

‘a vigorous hiker’; ‘gave her skirt a vigorous shake’; ‘a vigorous campaign’; ‘a vigorous foreign policy’; ‘vigorous opposition to the war’;

Rigorousadjective

Adhering scrupulously and exactly to accepted principles; hence, logically valid; as, a rigorous proof.

Vigorousadjective

strong and active physically or mentally;

‘a vigorous old man who spent half of his day on horseback’;

Rigorousadjective

rigidly accurate; allowing no deviation from a standard;

‘rigorous application of the law’; ‘a strict vegetarian’;

Rigorousadjective

demanding strict attention to rules and procedures;

‘rigorous discipline’; ‘tight security’; ‘stringent safety measures’;

Rigorousadjective

used of circumstances (especially weather) that cause suffering;

‘brutal weather’; ‘northern winters can be cruel’; ‘a cruel world’; ‘a harsh climate’; ‘a rigorous climate’; ‘unkind winters’;