/ Dictionary / Index P p.j.'s: Meaning and Definition of Find definitions for: p.j.'s Pronunciation: (pē'jāz"), [key] — n. (used with a pl. v.) Informal. pajamas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pj's (Thesaurus) pizzle PK Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language