Rigorous vs. Vigorous

Rigorousadjective

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

Rigorousadjective

Severe; intense.

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.

Rigorousadjective

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

Rigorousadjective

Violent.

Rigorousadjective

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

Rigorousadjective

rigidly accurate; allowing no deviation from a standard;

Rigorousadjective

demanding strict attention to rules and procedures;

Rigorousadjective

used of circumstances (especially weather) that cause suffering;

Vigorousadjective

Physically strong and active.

Vigorousadjective

Rapid of growth.

Vigorousadjective

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

Vigorousadjective

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

Vigorousadjective

characterized by forceful and energetic action or activity;

Vigorousadjective

strong and active physically or mentally;