failure β an act or instance of failing or proving unsuccessful; lack of success: His effort ended in failure. The campaign was a failure.
flaw β Also called windflaw. a sudden, usually brief windstorm or gust of wind.
glitch β a defect or malfunction in a machine or plan.
lapse β an accidental or temporary decline or deviation from an expected or accepted condition or state; a temporary falling or slipping from a previous standard: a lapse of justice.
miscue β a stroke in which the cue fails to make solid contact with the cue ball.
fall β to come or drop down suddenly to a lower position, especially to leave a standing or erect position suddenly, whether voluntarily or not: to fall on one's knees.
fallacy β a deceptive, misleading, or false notion, belief, etc.: That the world is flat was at one time a popular fallacy.
slight β small in amount, degree, etc.: a slight increase; a slight odor.
solecism β a nonstandard or ungrammatical usage, as unflammable and they was.
stumble β to strike the foot against something, as in walking or running, so as to stagger or fall; trip.
trespass β Law. an unlawful act causing injury to the person, property, or rights of another, committed with force or violence, actual or implied. a wrongful entry upon the lands of another. the action to recover damages for such an injury.
untruth β the state or character of being untrue.
faux pas β a slip or blunder in etiquette, manners, or conduct; an embarrassing social blunder or indiscretion.
misjudgment β An act of misjudging, a mistake in judgment.
screw-up β a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver.