English Reference
adjective · noun

impossible

adj. · n.
US /ˌɪmˈpɑsəbəɫ/ UK /ɪmpˈɒsəbəl/ im·pos·si·ble

  1. 01 A2 Elementary

    adj.something that cannot happen or be done because it is not possible.

    adj.incapable of occurring, being done, or being true; logically or physically unattainable.

    Simple

    It is impossible to be in two places at the same time.

    In context

    The rescue mission was deemed impossible due to the severe weather conditions and the lack of specialized equipment available at the site.

    unachievableunfeasiblehopeless
  2. 02 B2 Upper Intermediate Informal

    adj.very annoying or difficult to handle.

    adj.extremely difficult to deal with, manage, or tolerate. Often used to describe people or social situations.

    Simple

    My boss is being impossible today and won't listen to any of my ideas.

    In context

    The client made such impossible demands during the negotiation that the legal team advised walking away from the deal entirely.

  3. 03 B2 Upper Intermediate

    n.a thing that is not possible.

    n.an occurrence or task that is impossible; often used in the phrase 'to do the impossible'.

    Simple

    The team did the impossible and won the game in the final minute.

    In context

    In the realm of theoretical physics, what was once considered an impossible is now being re-evaluated through new mathematical models.

  4. 04 C2 Proficiency TechnicalSlang Sport

    n.a trick where the skateboard does a backflip around the rider's foot.

    n.a skateboarding maneuver in which the board is wrapped around the back foot in a vertical 360-degree rotation.

    Simple

    He landed a perfect impossible off the stairs at the park.

    In context

    Mastering the impossible requires precise foot placement and a high degree of vertical pop to ensure the board clears the ground during the wrap.


From Middle English impossible, equivalent to im- + possible.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Middle English impossible
Level A2 · Elementary
Frequency Common
Updated