Which of the following words is closest in meaning to “Stringent”?

Stringent means strict and demanding.

• Correct answer - severe: it has the same meaning as Stringent.
• soft: gentle; not firm - wrong, it does not mean the same as Stringent.
• reserved: shy and keeping feelings hidden - wrong, it does not mean the same as Stringent.
• utilised: put to practical use - wrong, it does not mean the same as Stringent.