binding, demanding, exacting, inflexible, rigid, rigorous, severe, strict, tight, tough
equivocal, flexible, inconclusive, lax, loose, relaxed, slack, unrigorous, vague
English Collins Dictionary - English synonyms & Thesaurus
Stringent laws, rules, or conditions are very severe or are strictly controlled.
He announced that there would be more stringent controls on the possession of weapons..., Its drug-testing procedures are the most stringent in the world.
stringently adv ADV with v
He is determined to see the Act enforced more stringently.
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