/ Dictionary / Index T thunderstroke: Meaning and Definition of Find definitions for: thun•der•stroke Pronunciation: (thun'dur-strōk"), [key] — n. a stroke of lightning accompanied by thunder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thunderstrike thunderstruck Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language