exp.

/IH0 K S P/
noun
  1. 1

    The effect upon the judgment or feelings produced by any event, whether witnessed or participated in; personal and direct impressions as contrasted with description or fancies; personal acquaintance; actual enjoyment or suffering.

    It was an experience he would not soon forget.

  2. 2

    An activity one has performed.

  3. 3

    A collection of events and/or activities from which an individual or group may gather knowledge, opinions, and skills.

  4. 4

    The knowledge thus gathered.

  5. 5

    Trial; a test or experiment.

Antonyms

noun
  1. 1

    The act of expiring.

  2. 2

    The act or process of breathing out, or forcing air from the lungs through the nose or mouth

    respiration consists of inspiration and expiration

  3. 3

    Emission of volatile matter; exhalation.

  4. 4

    The last emission of breath; death.

  5. 5

    A cessation, extinction, ending

  6. 6

    That which is produced by breathing out, as a sound.

Source: https://en.wiktionary.org/wiki/exp., https://en.wiktionary.org/wiki/experience, https://en.wiktionary.org/wiki/expiration