im-

Usage

• impecunious

  Someone who is impecunious has very little money, especially over a long period of time.

• immutable

  Something that is immutable is always the same and cannot be changed.

• impervious

  If you are impervious to things, such as someone's actions or words, you are not affected by them or do not notice them.

• impunity

  If you say that someone does something with impunity, you dislike the fact that they are not being punished for doing something illegal.

• impudence

  If someone demonstrates impudence, they behave in a very rude or disrespectful way.

• importunate

  If you describe someone as importunate, you think that they are annoying and unreasonable because they keep trying to get something from you.

• implacable

  If someone is implacable, they very stubbornly react to situations or the opinions of others because of strong feelings that make them unwilling to change their mind.

• impassive

  If someone is impassive, they are not showing any emotion.

• imperturbable

  If someone is imperturbable, they are always calm and not easily upset or disturbed by any situation, even dangerous ones.

• impregnable

  An impregnable fortress or castle is very difficult to defeat or overcome; an opinion or argument of that same quality is almost impossible to successfully change or challenge.

• imprecation

  An imprecation is a rude, offensive phrase or word that is said to someone or about someone especially when one is angry.

• impeccable

  If you describe someone's appearance or behavior as impeccable, you mean that it is perfect and therefore impossible to criticize.

• impertinent

  If someone behaves in an impertinent way, they behave rudely and disrespectfully.

• impasse

  An impasse is a difficult situation in which progress is not possible, usually because none of the people involved are willing to agree.

• immaculate

  Something that is immaculate is very clean, pure, or completely free from error.

• impenetrable

  An impenetrable barrier cannot be gotten through by any means; this word can refer to parts of a building such as walls and doors—or to a problem of some kind that cannot be solved.

• imperceptible

  Something that is imperceptible is either impossible—or very difficult—to notice or perceive.

• implausible

  Something that is implausible is unlikely to be true or hard to believe that it's true.

• impromptu

  An impromptu speech is unplanned or spontaneous—it has not been practiced in any way beforehand.

• improvise

  When someone improvises, they make something up at once because an unexpected situation has arisen.

• imprudent

  When you act in an imprudent fashion, you do something that is unwise, is lacking in good judgment, or has no forethought.

• immobile

  Something immobile is still, motionless, or incapable of moving.

• immense

  Something immense is huge, very big, or extremely large.

• improvidence

  Someone who is improvident does not think about providing for future events and needs, lacks foresight, and is not cautious or sensible.

• immediately

  Something that happens immediately happens right away or at once.

• immortal

  not subject to death

• immovable

  not able or intended to be moved

• immune

  relating to the condition of immunity

• impartial

  showing lack of favoritism

• impossibility

  incapability of existing or occurring