un-

Usage

• uncharted

  Uncharted refers to something that has not been experienced before; it literally means that something has not been mapped out, and so remains an unknown.

• unfeasible

  Something unfeasible cannot be made or achieved.

• unseemly

  If you say someone's behavior is unseemly, you disapprove of it because it is not in good taste or not suitable for a particular situation.

• unlettered

  If someone is unlettered, they are illiterate, unable to read and write.

• untoward

  An untoward situation is something that is unfavorable, unfortunate, inappropriate, or troublesome.

• unfazed

  To be unfazed is to not be affected by something that happens to you, even if it is quite embarrassing or bothersome.

• uncouth

  To act in an uncouth manner is to be awkward and unmannerly.

• unsavory

  If you describe something as unsavory, you mean that it is unpleasant or morally unacceptable.

• unadorned

  Something that is unadorned is not made more attractive with ornament or decoration.

• unremitting

  A thing or person that is unremitting is persistent and enduring in what is being done.

• unkempt

  An unkempt person or thing is untidy and has not been kept neat.

• unassuming

  Someone who is unassuming is not boastful or arrogant; rather, they are modest or humble.

• unflagging

  If you are unflagging while doing a task, you are untiring when working upon it and do not stop until it is finished.

• unobtrusive

  If someone acts in an unobtrusive way, their actions are not easily noticed and do not stand out in any way.

• unrequited

  If you feel unrequited love for another, you love that person, but they don't love you in return.

• unconscionable

  An action or deed is unconscionable if it is excessively shameful, unfair, or unjust and its effects are more severe than is reasonable or acceptable.

• unprepossessing

  Something or someone that is unprepossessing is not impressive or is unattractive.

• unsullied

  Something that is unsullied is unstained and clean.

• unbridled

  A feeling that is unbridled is enthusiastic and unlimited in its expression.

• unscathed

  To come out of something unscathed is to come out of it uninjured.

• unalloyed

  Something that is unalloyed is whole or complete; for example, unalloyed pain cannot be relieved.

• ungainly

  Someone who is ungainly is clumsy or awkward; something ungainly can be difficult to use, primarily because of its size or weight.

• uncanny

  Something uncanny is very strange, unnatural, or highly unusual.

• unflappable

  When you are unflappable, you remain calm, cool, and collected in even the most trying of situations.

• unfounded

  An unfounded claim is not based upon evidence; instead, it is unproven or groundless.

• unnerve

  If something unnerves you, it makes you upset or nervous; it can also make you lose your courage because it frightens you so much.

• unorthodox

  An unorthodox opinion is unusual, not customary, and goes against established ways of thinking.

• unparalleled

  An unparalleled accomplishment has not been equaled by anyone or cannot be compared to anything that anyone else has ever done.

• unprecedented

  Something that is unprecedented has never occurred before, which makes it extraordinary, original, or new.

• unquenchable

  An unquenchable desire or thirst cannot be satisfied or gotten rid of.

• unrelenting

  If you are unrelenting in your desire to do something, you stop at nothing until you've done it.

• unrestrained

  Someone who is unrestrained is free to do as they please; they are not controlled by anyone but themselves, which can lead to excessive behavior.

• unsightly

  Someone who is unsightly presents an ugly, unattractive, or disagreeable face to the world.

• unsurpassed

  If you are unsurpassed in your field of study, you are the best—period.

• unwarranted

  An unwarranted decision cannot be justified because there is no evidence to back it up; therefore, it is needless and uncalled-for.

• unwieldy

  Something that is unwieldy is hard or awkward to handle because of the way that it is shaped.

• unwitting

  If you do something in an unwitting fashion, you didn't know that you were doing it; therefore, it was unintentional on your part.

• unprincipled

  Someone who is unprincipled is unethical, immoral, or corrupt in some way.

• unstable

  If something is unstable, such as a shaky building or unsteady situation, it is not strong or fixed but can change suddenly for the worse or fail because it has problems of some kind.