bluster

If you tell the captain of the basketball team that you're going to beat him at a game of hoops even though you've never played, you're speaking with a lot of bluster or false confidence and bravado.

Bluster can also mean a strong wind. On a blustery day, you'll see trees blowing and people holding onto their hats. When someone full of bluster is talking about how they can do something that you think they can't, they're blowing a lot of hot air in your direction. And coincidently, another name for that type of person is a blowhard.

Definitions of bluster
  1. verb
    blow hard; be gusty, as of wind
    “A southeaster blustered onshore”
    “The flames blustered
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    type of:
    blow
    be blowing or storming
  2. verb
    act in an arrogant, overly self-assured, or conceited manner
    synonyms: swagger, swash
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    type of:
    act, behave, do
    behave in a certain manner; show a certain behavior; conduct or comport oneself
  3. verb
    show off
    synonyms: blow, boast, brag, gas, gasconade, shoot a line, swash, tout, vaunt
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    types:
    puff
    speak in a blustering or scornful manner
    crow, gloat, triumph
    dwell on with satisfaction
    congratulate, preen
    pride or congratulate (oneself) for an achievement
    type of:
    amplify, exaggerate, hyperbolise, hyperbolize, magnify, overdraw, overstate
    to enlarge beyond bounds or the truth
  4. noun
    a violent gusty wind
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    type of:
    blast, blow, gust
    a strong current of air
  5. noun
    noisy confusion and turbulence
    “he was awakened by the bluster of their preparations”
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    type of:
    confusion
    disorder resulting from a failure to behave predictably
  6. noun
    vain and empty boasting
    synonyms: braggadocio, rhodomontade, rodomontade
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    type of:
    boast, boasting, jactitation, self-praise
    speaking of yourself in superlatives
  7. noun
    a swaggering show of courage
    synonyms: bravado
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    type of:
    fanfare, flash, ostentation
    a gaudy outward display
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