Word: perf
Fitting its definition precisely. Example: a perfect circle
Having all of its parts in harmony with a common purpose. Example: That bucket with the hole in the bottom is a poor bucket, but it is perfect for watering plants.
Without fault or mistake; thoroughly skilled or talented. Example: Practice makes perfect.
Excellent and delightful in all respects. Example: a perfect day
Of a number: equal to the sum of its proper divisors. Example: 6 is perfect because the sum of its proper divisors, 1, 2, and 3, which is 6, is equal to the number itself.
(grammar, of a tense or verb form) Representing a completed action.
Sexually mature and fully differentiated.
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'.
Describing an interval or any compound interval of a unison, octave, or fourths and fifths that are not tritones.
(of a cocktail) Made with equal parts of sweet and dry vermouth. Example: a perfect Manhattan; a perfect Rob Roy
Well informed; certain; sure.
Innocent, guiltless.
(grammar) of, or relative to, the perfect tense or perfective aspect.
Tending to make perfect, or to bring to perfection.
To pierce; to penetrate.
To make a line of holes in (a thin material) to allow separation at the line. Example: to perforate a sheet of postage stamps
Pierced with holes.
The act of perforating or the state of being perforated.
Any opening in a solid object.
An abnormal opening in an organ, such as a rupture.
A series of holes punched through something in order to assist in separating parts.
That portion of a surface that remains after an open disk is removed from it.
The act of performing; carrying into execution or action; execution; achievement; accomplishment; representation by action. Example: the performance of an undertaking or a duty
That which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; especially, an action of an elaborate or public character.
A live show or concert.
The amount of useful work accomplished estimated in terms of time needed, resources used, etc. Example: Better performance means more work accomplished in shorter time and/or using fewer resources.
The actual use of language in concrete situations by native speakers of a language, as opposed to the system of linguistic knowledge they possess (competence), cf. :w:linguistic performance.
You can find a list of possible crossword clues for PERF below.