Answer:
(The word stringent is an adjective meaning strict, precise, and exacting.)
For admission to many large Universities, individuals must meet stringent academic requirements.
They must be subject to a sharper penal code, and to a more stringent code of procedure.
Kate knew that her essay was her best work, because she paid attention to the professor's stringent checklist of items to review before turning in her paper.
The boarding school was known nationwide for its stringent rules, rules that they enforced with rigor and severity.