(linguistics) A perfect stem of a Latin verb which has been formed by adding an s to the end of the present stem.

plural of perfect metal

(chemistry, obsolete) Any metal, such as gold or silver, not readily oxidized by heat and air.

Correct in every word. / (UK, theater) Having memorized one's lines perfectly.

Without singing or playing any musical notes out of tune or incorrectly.

present participle of self-perfect

simple past tense and past participle of self-perfect

Third-person singular simple present indicative form of self-perfect

To perfect itself; to make itself perfect.

Alternative form of letter-perfect