(grammar) A participle, prominent in some languages (e.g. Latin, Greek) but less common in English, describing something that happened to a noun (the subject) in the past.

plural of perfect passive participle

present participle of perfect

(printing) The process of printing on both sides of the printed-on material during its single pass through the printing press.

Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.

In Latin, the three perfect tenses: perfect, future perfect, and pluperfect or past perfect, as contrasted with the present system: present, future, and imperfect. A verb in the perfect system indicates an action that has completed.

(business) A measurement of performance, often financial performance, either against peers or against a predetermined target.

(countable) A shop selling perfumes. / (countable) A factory where perfume is made. / (uncountable) The manufacture of perfume.

Able to be perfected; capable of perfection.

The possibility of achieving perfection. / (philosophy) Perfectionism.