perfect

adjective

• 1having all the required or desirable elements, qualities, or characteristics; as good as it is possible to be:she strove to be the perfect wife life certainly isn’t perfect at the moment
• free from any flaw or defect in condition or quality; faultless:the equipment was in perfect condition
• precisely accurate; exact:a perfect circle
• highly suitable for someone or something; exactly right:Giles was perfect for her—ten years older and with his own career
• dated thoroughly trained in or conversant with:she was perfect in French

• 2 [attributive] absolute; complete (used for emphasis):a perfect stranger all that Joseph said made perfect sense to me

• 3 Mathematics (of a number) equal to the sum of its positive divisors, e.g. the number 6, whose divisors (1, 2, 3) also add up to 6.

• 4 Grammar (of a tense) denoting a completed action or a state or habitual action which began in the past. The perfect tense is formed in English with have or has and the past participle, as in they have eaten and they have been eating ( present perfect), they had eaten ( past perfect), and they will have eaten ( future perfect).

• 5 Botany (of a flower) having both stamens and carpels present and functional.
• Entomology (of an insect) fully adult and (typically) winged.

• 6 Botany denoting the stage or state of a fungus in which the sexually produced spores are formed.

verb

• make (something) completely free from faults or defects; make as good as possible:he’s busy perfecting his bowling technique
• archaic bring to completion; finish: then urg’d, she perfects her illustrious toils
• complete (a printed sheet of paper) by printing the second side: the heap was normally printed as white paper in the morning, turned at the midday break, and perfected in the afternoon
• Law satisfy the necessary conditions or requirements for the transfer of (a gift, title, etc.): equity will not perfect an imperfect gift

noun

• the perfect tense.