1. subtly skillful handling of a situation

    Synonyms : delicacy, diplomacy, discreetness
    Type Of : tact, tactfulness


  1. liable to sudden unpredictable change

    Synonyms : erratic, mercurial, quicksilver
    Examples :
    • fickle weather
  2. marked by erratic changeableness in affections or attachments

    Synonyms : volatile
    Examples :
    • fickle friends


  1. the state of being emotionally aroused and worked up

    Synonyms : excitation, excitement, fervour, inflammation
    Type Of : emotional arousal
  2. feelings of great warmth and intensity

    Synonyms : ardor, ardour, fervency, fervidness, fervour, fire
    Type Of : passion, passionateness


  1. marked by good fortune

    Synonyms : happy
    Examples :
    • a felicitous life
  2. exhibiting an agreeably appropriate manner or style

    Antonyms : infelicitous
    Examples :
    • a felicitous speaker


  1. intellectually productive

    Synonyms : fertile, prolific
    Examples :
    • a fecund imagination
  2. capable of producing offspring or vegetation


  1. capable of being done with means at hand and circumstances as they are

    Synonyms : executable, practicable, viable, workable


  1. extremely silly or stupid

    Synonyms : asinine, inane


  1. having complicated nutritional requirements; especially growing only in special artificial cultures

    Synonyms : exacting
    Antonyms : unfastidious
    Examples :
    • fastidious microorganisms
  2. giving careful attention to detail; hard to please; excessively concerned with cleanliness

    Antonyms : unfastidious
    Examples :
    • a fastidious and incisive intellect
    • fastidious about personal cleanliness


  1. excessive intolerance of opposing views

    Synonyms : fanatism, zealotry
    Type Of : intolerance


  1. marked by excessive enthusiasm for and intense devotion to a cause or idea

    Synonyms : fanatic, overzealous, rabid