He is a perfectionist, and his approach to work is very strict.

This programming language is said to be Turing complete.

His performance was perfect and without blemish.

In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.

This fish is completely farmed, and no capture is done in the natural environment.

He is immersed in the study of panmagic squares.

The government declared a state of emergency to prevent the spread of the new coronavirus.

He is a perfectionist, so he is very strict about his work.

He played a perfect fifth scale on the piano.