Power Prefixes for Tenth Grade Students: un-

Learn these words that begin with the common prefix un-, meaning "not."
10 words 41 learners

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Full list of words from this list:

words only definitions & notes
  1. unjust
    not fair; marked by injustice or partiality or deception
    Authorities say the restrictions are necessary, but the truckers see them as biased and unjust. Seattle Times (Jun 7, 2020)
  2. unsettle
    cause to feel nervous, anxious, or upset
    There is an urgency to her that unsettles me, a warning in her words beyond the obvious. An Ember in the Ashes
  3. unscrupulous
    without principles
    Scammers will always exist, as there will always be unscrupulous people trying to worm their way into other people’s money. Washington Times (Apr 21, 2021)
  4. unravel
    become or cause to become undone by separating the fibers of
    Jules played with the strings on her coat, twirling them in her fingers and letting them unravel. Tradition
  5. unsustainable
    not capable of being prolonged or continued
    The commission cited concerns that a bigger hospital would be expensive and unsustainable. Washington Post (Jun 7, 2021)
  6. unforeseen
    not anticipated
    “We sincerely regret the disappointment to fans due to the unforeseen and last-minute changes to the schedule,” it said. Reuters (Jan 22, 2020)
  7. unobtrusive
    not undesirably noticeable
    She tried, as always, to keep her typing unobtrusive, so Reggie wouldn’t get distracted. A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age
  8. unconventional
    not conforming to standards
    She first happened upon it in a newspaper profile and was drawn to its unconventional style and characters. The Guardian (Apr 10, 2019)
  9. unintentional
    not done with purpose or intent
    ‘It was quite unintentional, I assure you. A most unfortunate accident.’ The Fellowship of the Ring
  10. unpredictable
    not capable of being foretold
    But every next move is unpredictable, every outcome uncertain. The Lives of a Cell
Created on Fri Jun 06 12:05:58 EDT 2025

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