A-OK – Astronauts on the Mercury Project in 1961 popularized A-OK, meaning “excellent, perfect”; it was coined by blending the adjective “A,” as in A-one or A1, meaning “first-class,” with “OK.” More…
palinoia – The compulsive repetition of an act until it is perfect. More…
parfait – Literally French for “perfect.” More…
perfect binding – A book bound by gluing instead of sewing. More…