plural of perfect interval

plural of perfect crime

(colloquial) A crime that is undetected, unattributed to a perpetrator, or otherwise unsolved. / (colloquial) A crime that is unsolved and seemingly unsolvable.

plural of perfect fifth

A musical interval of the Western twelve-semitone system consisting of five semitones and spanning four degrees of the diatonic scale. It is enharmonically equivalent to an augmented third.

plural of perfect fourth

Used when someone's mistakes or flaws are acknowledged, to remind that everyone else makes mistakes and has flaws.

(Christianity) An epithet of the Holy Spirit.

(video games, design) Involving precision at the pixel level. / (computing, design) Having precise dimension ratios in all aspects on well-defined drawing glyphs.

In English, an infinitival phrase consisting of the infinitive of the auxiliary "have" (with or without a preceding "to") plus the past participle; a comparable phrase or word in other languages.