strictest
adj. B2 Upper Intermediate US //ˈstɹɪktəst// UK //stɹˈɪktəst// strictest
adj. the most severe or the most difficult to follow. You use this to describe a rule that does not allow any exceptions.
adj. the superlative form of 'strict', indicating the highest degree of severity, rigor, or lack of tolerance for deviation.
The school has the strictest rules in the city.
The new safety regulations are the strictest ever introduced, requiring every worker to pass a daily health check.
While the initial proposal was met with resistance, the committee eventually agreed to the strictest terms to ensure the project's long-term success and compliance with international standards.