Fitting its definition precisely.
Having all of its parts in harmony with a common purpose.
Of a number: equal to the sum of its proper divisors.
Of flowers, having both male parts (stamens) and female parts (carpels).
Of a set: equal to its set of limit points, i.e. set A is perfect if A=A'.
Sexually mature and fully differentiated.
Made with equal parts of sweet and dry vermouth.
Excellent and delightful in all respects.
Representing a completed action.
Describing an interval or any compound interval of a unison, octave, or fourths and fifths that are not tritones.
Without fault or mistake; thoroughly skilled or talented.
To take an action, usually the filing of a document in the correct venue, that secures a legal right.
To make perfect; to improve or hone.
A perfect score; the achievement of finishing a stage or task with no mistakes.
A leader of the Cathar movement.
The perfect tense, or a form in that tense.
Complete; absolute.
Entire; relating to the whole of something.
(of a function) Defined on all possible inputs.
An amount obtained by the addition of smaller amounts.
Sum.
To equal a total of; to amount to.
To add up; to calculate the sum of.
To amount to; to add up to.
To demolish; to wreck completely. (from total loss)