The scientist argued that the perfectability of the concept was more important than its current flaws.

In our morphology class, we compared the perfectives used in Slavic languages to those in Turkic languages.

As the workshop's perfecter, she refined every prototype until it met the company's high standards.

After several revisions, she produced a perfecter version of the painting that satisfied the critics.

The linguist insisted that the perfectiveness of the verb clarified the temporal relation between the actions.

The perfecters in the lab spent months refining the prototype until it met every standard.

Philosophers debate whether human perfectibilities are limited by nature or shaped by society.

Philosophers have long debated the perfectibility of human nature in ethical and political theory.

She sought the perfectness of her handmade quilt, adjusting each stitch until it looked flawless.

She worked late into the night to perfection the recipe for the competition.