rigorous
Translation
rigorous, strict, thorough
Examples
The selection process is extremely rigorous.
The selection process is extremely rigorous.
He is rigorous in his attention to detail.
He is rigorous in his attention to detail.
Grammar Patterns
((...)) + noun a rigorous training schedule
Similar Words
Synonyms: strict, thorough, meticulous; Antonyms: lenient, lax
Etymology
From Latin 'rigor', meaning 'stiffness, harshness'.
Memory Tips
Think of a 'rigid' routine that is very 'rigorous'.