1. a situation resembling a terrifying dream

    Synonyms : nightmare
    Type Of : situation
  2. a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women

    Type Of : daemon, demon, devil, daimon, fiend
  3. someone who depresses or worries others

    Type Of : unpleasant person, disagreeable person


  1. attack as false or wrong

    Type Of : challenge


  1. inflexibly entrenched and unchangeable

    Synonyms : brassbound
    Examples :
    • an ironclad rule
  2. a wooden warship of the 19th century that is plated with iron or steel armor

    Type Of : combat ship, war vessel, warship
  3. sheathed in iron plates for protection


  1. capable of being apprehended or understood

    Synonyms : apprehensible, graspable, perceivable, understandable
  2. well articulated or enunciated, and loud enough to be heard distinctly

    Antonyms : unintelligible
    Examples :
    • intelligible pronunciation


  1. lacking the power to produce a desired effect

    Antonyms : efficacious
    Examples :
    • laws that are inefficacious in stopping crime


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

    Synonyms : indecent, unbecoming, uncomely, unseemly, untoward
    Examples :
    • indecorous behavior
  2. lacking propriety and good taste in manners and conduct

    Synonyms : indelicate
    Antonyms : decorous
    Examples :
    • indecorous behavior


  1. a state of extreme poverty or destitution

    Synonyms : need, pauperism, pauperization, penury
    Type Of : impoverishment, poorness, poverty
    Examples :
    • their indigence appalled him


  1. preventing movement

    Synonyms : clogging, hindering, obstructive


  1. (Christianity) exemption from error

    Antonyms : errancy
    Type Of : infallibility
    Examples :
    • biblical inerrancy


  1. stupefied or excited by a chemical substance (especially alcohol)

    Synonyms : drunk, gone, intoxicated, ripped
    Examples :
    • helplessly inebriated