1. the property of being perpetual (seemingly ceaseless)

    Synonyms : sempiternity
    Type Of : permanence, permanency


  1. characterized by excessive precision and attention to trivial details

    Synonyms : pernickety
    Examples :
    • a persnickety job
    • a persnickety school teacher
  2. (used colloquially) overly conceited or arrogant

    Synonyms : bigheaded, snooty, snot-nosed, snotty, stuck-up, too big for one's breeches, uppish
    Examples :
    • they're snobs--stuck-up and uppity and persnickety


  1. working or spreading in a hidden and usually injurious way

    Synonyms : insidious, subtle
  2. exceedingly harmful

    Synonyms : baneful, deadly, pestilent


  1. criminal offense of making false statements under oath

    Synonyms : bearing false witness, lying under oath
    Type Of : infraction, infringement, misdemeanor, misdemeanour, violation


  1. electronic equipment external to the circuit board that contains the CPU of a computer

    Synonyms : computer peripheral, peripheral device
    Type Of : electronic equipment
    Examples :
    • disk drives and printers are important peripherals
  2. on or near an edge or constituting an outer boundary; the outer area

    Antonyms : central
    Examples :
    • Russia's peripheral provinces
    • peripheral suburbs
  3. related to the key issue but not of central importance

    Examples :
    • a peripheral interest
    • energy is far from a peripheral issue in the economy
    • peripheral issues


  1. a follower of Aristotle or an adherent of Aristotelianism

    Synonyms : aristotelean, aristotelian
    Type Of : adherent, disciple
  2. traveling especially on foot

    Synonyms : wayfaring
    Examples :
    • peripatetic country preachers
  3. of or relating to Aristotle or his philosophy

    Synonyms : aristotelean, aristotelian, aristotelic
  4. a person who walks from place to place

    Type Of : footer, pedestrian, walker


  1. hasty and without attention to detail; not thorough

    Synonyms : casual, cursory, passing, superficial
    Examples :
    • perfunctory courtesy
  2. done or produced as a formality only

    Synonyms : pro forma


  1. an act of deliberate betrayal

    Synonyms : betrayal, treachery, treason
    Type Of : knavery, dishonesty
  2. betrayal of a trust

    Synonyms : perfidiousness, treachery
    Type Of : disloyalty


  1. offensively self-assured or given to exercising usually unwarranted power

    Synonyms : autocratic, bossy, dominating, high-and-mighty, magisterial
    Examples :
    • a swaggering peremptory manner
  2. not allowing contradiction or refusal

    Examples :
    • spoke in peremptory tones
    • peremptory commands
  3. putting an end to all debate or action

    Examples :
    • a peremptory decree


  1. (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment

    Synonyms : hell, infernal region, inferno, nether region, pit
    Type Of : imaginary place, mythical place, fictitious place
    Examples :
    • Hurl'd headlong...To bottomless perdition, there to dwell