The process or result of perfecting something

In a manner that cannot be bettered; perfectly.

simple past tense and past participle of self-perfect

(number theory) A number that is the sum of all of its divisors except itself.

Perfect in appearance as with the subjects in paintings or photographs, without the common imperfections of real life.

A verb form indicating that an action or state has been completed at the present time, in the past, or shall be completed in the future.

(grammar) A tense that expresses action completed at some time in the future; in English it is formed by use of will have (or shall have) and a past participle

(grammar) A perfect tense that expresses action in the past (usually completed) with consequences in the present time.

(grammar) A combination of the conditional mood and the perfect tense, roughly corresponding to English 'I would have...'

(grammar) A feature of the verb which denotes viewing the event the verb describes as a completed whole, rather than from within the event as it unfolds. For example, "she sat down" as opposed to "she was sitting down". Since the focus is on the completion of what is expressed by the verb, this aspect is generally associated with the past and future tenses. This term is often used interchangeably with aorist aspect. This is not to be confused with the perfect tense.