/ Dictionary / Index J jackbooted: Meaning and Definition of Find definitions for: jack•boot•ed Pronunciation: ( jak'b"tid), [key] — adj. wearing jackboots. brutally and oppressively bullying: a jackbooted militarism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jackboot jack chain Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language