rigorous
rigorous Lexical Profile
rigorous Game Scores & Validity
• adjective
Extremely thorough, exhaustive, and accurate in method, analysis, or execution.
"The vaccine underwent rigorous clinical trials before receiving regulatory approval."
Strictly applied, adhered to, or enforced, without allowing for exceptions or leniency (of rules, standards, or discipline).
"The academy maintains rigorous academic standards that challenge every student."
Harsh, severe, and physically demanding to endure (of weather, climate, or living conditions).
"The expedition team prepared carefully for the rigorous winter climate of the high plateau."
Word Nuance & Usage
Do not confuse 'rigorous' (thorough, strict, or demanding) with 'vigorous' (energetic, forceful, or robust in physical health).
• Rhymes for rigorous
Word Origin & Etymology
Borrowed in the late 14th century from Old French 'rigorous' and Late Latin 'rigorosus', from Latin 'rigor' (stiffness, numbness, or severity), derived from the verb 'rigere' (to be stiff).