unflappable

  1. not easily perturbed or excited or upset; marked by extreme calm and composure

    Synonyms : imperturbable
    Examples :
    • unflappable in a crisis

untenable

  1. (of theories etc) incapable of being defended or justified

    Synonyms : indefensible

unpropitious

  1. not propitious

    Antonyms : propitious

uncanny

  1. suggesting the operation of supernatural influences

    Synonyms : eldritch, unearthly, weird
    Examples :
    • stumps...had uncanny shapes as of monstrous creatures
  2. surpassing the ordinary or normal

    Synonyms : preternatural
    Examples :
    • his uncanny sense of direction

unseemly

  1. not in keeping with accepted standards of what is right or proper in polite society

    Synonyms : indecent, indecorous, unbecoming, uncomely, untoward
    Examples :
    • unseemly to use profanity

uncompromising

  1. not making concessions

    Synonyms : inflexible, sturdy
    Antonyms : compromising
    Examples :
    • took an uncompromising stance in the peace talks
    • uncompromising honesty

urbane

  1. showing a high degree of refinement and the assurance that comes from wide social experience

    Synonyms : polished, refined
    Examples :
    • maintained an urbane tone in his letters

unruly

  1. incapable of being controlled

    Synonyms : indocile, uncontrollable, ungovernable
    Examples :
    • the little boy's parents think he is spirited, but his teacher finds him unruly
  2. unwilling to submit to authority

    Synonyms : disobedient
    Examples :
    • unruly teenagers
  3. noisy and lacking in restraint or discipline

    Synonyms : boisterous, rambunctious, robustious, rumbustious
    Examples :
    • an unruly class

unconscionable

  1. greatly exceeding bounds of reason or moderation

    Synonyms : exorbitant, extortionate, outrageous, steep, usurious
    Examples :
    • unconscionable spending
  2. lacking a conscience

    Synonyms : conscienceless
    Examples :
    • an unconscionable liar

unnerve

  1. disturb the composure of

    Synonyms : enervate, faze, unsettle
    Type Of : discomfit, discompose, disconcert, untune, upset