Discourtesy is acting in a rude or thoughtless way. If you yell orders at your restaurant server and leave him a small tip, you're treating him with extreme discourtesy.

The noun discourtesy is a formal way to say "rudeness" or "disrespect." Cutting in line, interrupting others, chewing with your mouth wide open, being late for an important meeting — these are all examples of discourtesy. Courtesy means "elegance of manners" or "politeness," from a root meaning "courtly manners." When you add the prefix dis-, "the opposite of," you get discourtesy.

Definitions of discourtesy
  1. noun
    a lack of politeness; a failure to show regard for others; wounding the feelings or others
    synonyms: offence, offense, offensive activity
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    derision, ridicule
    the act of deriding or treating with contempt
    an impolite act or expression
    an offensive disrespectful impudent act
    affront, insult
    a deliberately offensive act or something producing the effect of deliberate disrespect
    a kind of discourtesy in the form of an act of presuming
    rebuff, slight
    a deliberate discourteous act (usually as an expression of anger or disapproval)
    the act of mocking or ridiculing
    an affront to one's dignity or self-esteem
    outrage, scandalisation, scandalization
    the act of scandalizing
    cold shoulder, cut, snub
    a refusal to recognize someone you know
    silent treatment
    an aloof refusal to speak to someone you know
    type of:
    behavior, behaviour, conduct, doings
    manner of acting or controlling yourself
  2. noun
    a manner that is rude and insulting
    synonyms: rudeness
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    courtesy, good manners
    a courteous manner
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    the manner of a rude or insensitive person
    a discourteous manner that ignores accepted social usage
    an offensive lack of good manners
    deliberate discourtesy
    abruptness, brusqueness, curtness, gruffness, shortness
    an abrupt discourteous manner
    contempt, disrespect
    a manner that is generally disrespectful and contemptuous
    cheekiness, crust, freshness, gall, impertinence, impudence, insolence
    the trait of being rude and impertinent; inclined to take liberties
    bad manners, ill-breeding
    impoliteness resulting from ignorance
    crudeness, crudity, gaucheness
    an impolite manner that is vulgar and lacking tact or refinement
    chutzpa, chutzpah, hutzpah
    (Yiddish) unbelievable gall; insolence; audacity
    type of:
    manner, personal manner
    a way of acting or behaving
  3. noun
    an expression of lack of respect
    synonyms: disrespect
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    abuse, contumely, insult, revilement, vilification
    a rude expression intended to offend or hurt
    contemptuous laughter
    language or behavior intended to mock or humiliate
    contempt, scorn
    open disrespect for a person or thing
    depreciation, derogation, disparagement
    a communication that belittles somebody or something
    cheek, impertinence, impudence
    an impudent statement
    blasphemous language (expressing disrespect for God or for something sacred)
    contempt expressed by mockery in looks or words
    jeer, jeering, mockery, scoff, scoffing
    showing your contempt by derision
    leer, sneer
    a facial expression of contempt or scorn; the upper lip curls
    a contemptuous or scornful remark
    put-down, squelch, squelcher, takedown
    a crushing remark
    befooling, stultification
    derision of someone or something as foolish or absurd or inconsistent
    cold water
    disparagement of a plan or hope or expectation
    belittling, denigration
    a belittling comment
    aspersion, slur
    a disparaging remark
    detraction, petty criticism
    a petty disparagement
    sour grapes
    disparagement of something that is unattainable
    condescension, disdain, patronage
    a communication that indicates lack of respect by patronizing the recipient
    calumniation, calumny, defamation, hatchet job, obloquy, traducement
    a false accusation of an offense or a malicious misrepresentation of someone's words or actions
    low blow
    unscrupulous abuse
    billingsgate, scurrility
    foul-mouthed or obscene abuse
    cut, stinger
    a remark capable of wounding mentally
    invective, vitriol, vituperation
    abusive or venomous language used to express blame or censure or bitter deep-seated ill will
    type of:
    content, message, subject matter, substance
    what a communication that is about something is about
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