/ Dictionary / Index P plugged-in: Meaning and Definition of Find definitions for: plugged-in Pronunciation: (plugd'in'), [key] — adj. Informal. closely connected; in touch with what is going on; informed; involved: He's one of the more plugged-in advisers at State House. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plugged-in (Thesaurus) plug-compatible plugger Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language