- an all-leather military boot, extending up to or above the knee
- arbitrary, cruel, and authoritarian rule or behaviour
WordReference Random House Learner's Dictionary of American English © 2026
jack•boot /ˈdʒækˌbut/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Clothinga man's sturdy leather boot reaching up over the knee.
- authority or rule based on the power of the military;
totalitarian rule:living under the jackboots.
jack•boot
( jak′bo̅o̅t′),USA pronunciation n.
- a sturdy leather boot reaching up over the knee, worn esp. by soldiers.
- Also called jack′boot tac′tics. brutally bullying, militaristic, or authoritarian measures.
- a person who uses such measures.
- jack1 + boot1 1680–90
Collins Concise English Dictionary © HarperCollins Publishers::
jackboot /ˈdʒækˌbuːt/ n
'jackboot' also found in these entries (note: many are not synonyms or translations):