Rigorous

1.

(Very strict, very severe, exactly precise; exact; precise, strictly accurate or detailed, harsh unpleasant) ដែលតឹងរ៉ឹង, ដែលម៉ឺងម៉ាត់, ពិបាកទ្រាំ, ដែលទៀងទាត់ឥតល្អៀង, ប្រាកដប្រជា, ដែលប្រិតប្រៀម, តឹង
Example: Discipline at the boarding school was very rigorous, a rigorous northern winter.rigorous life ដែលប្រកបដោយការលំបាក, rigorous exam យ៉ាងពិបាក, rigorous academic approach យ៉ាងហ្មត់ចត់
Example: Rigorous attention to detail.

1.

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.

2.

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

1.

arduous, burdensome, cruel, difficult, hard, harsh, jarring, onerous, rough, rugged, severe, stern, strict, stringent, tough, unfeeling

1.

easy, effortless, facile

2.

simple

3.

adjective: severe, strict, austere, stern, stringent, rigid, hard, inclement, exact

1.

Violent