Definition of boot noun from the Oxford Advanced Learner's Dictionary

      

    boot

     noun
    noun
    BrE BrE//buːt//
     
    ; NAmE NAmE//buːt//
     
    Footwear, Camping, Parts of a car
     
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  1. 1  a strong shoe that covers the foot and ankle and often the lower part of the leg (British English) walking boots (North American English) hiking boots a pair of black leather boots cowboy boots see also desert boot, football boot, wellington See related entries: Footwear, Camping
  2. 2(British English) (North American English trunk) the space at the back of a car that you put bags, cases, etc. in I'll put the luggage in the boot. Did you lock the boot? see also car boot sale See related entries: Parts of a car
  3. 3[usually singular] (informal) a quick hard kick He gave the ball a tremendous boot.
  4. 4(North American English) = Denver boot
  5. Word Originnoun Middle English: from Old Norse bóti or its source, Old French bote, of unknown ultimate origin. to boot. Old English bōt ‘advantage, remedy’, of Germanic origin; related to Dutch boete and German Busse ‘penance, fine’, also to better and best.Extra examples The meat was as tough as old boots. What have you got in the boot? a pair of heavy walking bootsIdioms
    be given the boot, get the boot
     
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    (informal) to be told that you must leave your job or that a relationship you are having with somebody is over He should have been given the boot years ago.
    be/get too big for your boots
     
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    to be/become too proud of yourself; to behave as if you are more important than you really are See related entries: Proud
    the boot is on the other foot(British English)(North American English the shoe is on the other foot)
     
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    used to say that a situation has changed so that somebody now has power or authority over the person who used to have power or authority over them
    fill your boots(informal)
     
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    used to invite somebody to take as much as they like of something such as food, drink, etc; help yourself
    fill somebody’s shoes/boots
     
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    to do somebody’s job in an acceptable way when they are not there
    lick somebody’s boots(taboo, slang lick somebody’s arse)
     
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    (disapproving) to show too much respect for somebody in authority because you want to please them synonym crawl
      put/stick the boot in(British English, informal)
       
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    1. 1to kick somebody very hard, especially when they are on the ground
    2. 2to attack somebody by criticizing them when they are in a difficult situation I wonder if the press will put the boot in?
    (old-fashioned or humorous) used to add a comment to something that you have said He was a vegetarian, and a fussy one to boot.
      (as) tough as old boots, (as) tough as nails(informal)
       
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    1. 1very strong and able to deal successfully with difficult conditions or situations She’s almost 90 but she’s still as tough as old boots.
    2. 2not feeling or showing any emotion More Like ThisSimiles in idioms (as) bald as a coot, (as) blind as a bat, (as) bright as a button, (as) bold as brass, as busy as a bee, as clean as a whistle, (as) dead as a/​the dodo, (as) deaf as a post, (as) dull as ditchwater, (as) fit as a fiddle, as flat as a pancake, (as) good as gold, (as) mad as a hatter/​a March hare, (as) miserable/​ugly as sin, as old as the hills, (as) pleased as Punch, as pretty as a picture, (as) regular as clockwork, (as) quick as a flash, (as) safe as houses, (as) sound as a bell, (as) steady as a rock, (as) thick as two short planks, (as) tough as old bootsSee worksheet.
See the Oxford Advanced American Dictionary entry: boot