rigorous

/ˈrɪɡərəs/
adjective
  1. Very thorough, careful, and exact.
    • She created a rigorous study schedule to prepare for the exam.
    • The company has rigorous safety standards for all its products.
    • The scientist followed a rigorous testing procedure to ensure accurate results.
  2. Strict and demanding; not lenient.
    • The new law imposes rigorous penalties for breaking the rules.
    • Our teacher is rigorous about deadlines and will not accept late work.
    • The military academy is known for its rigorous training program.
  3. Harsh or severe in conditions.
    • The rigorous climate of the desert makes it difficult to live there.
    • The explorers endured a rigorous winter in the mountains.
    • They faced a rigorous journey across the ocean in a small boat.
Antonyms
What does "rigorous" mean? | whatsthatwordmean | whatsthatwordmean