outside (EN)
adverb, adjective, noun, preposition

adverb “outside”

outside
  1. in the open air; not inside a building
    The kids are playing outside.
  2. not in a room or building understood from the context
    The teacher asked the students to wait outside while she prepared the classroom.
  3. (colloquial) free from being in prison
    After serving ten years, John felt strange being outside again.

adjective “outside”

outside, non-gradable
  1. related to the outer part or edge of something
    The outside walls of the house are painted blue.
  2. positioned away from the center or middle of something
    The car in the outside lane had to travel a longer distance around the curve.
  3. (of a person) not included within a specific group or organization
    The company hired an outside expert to review their financial practices.
  4. (of information) origination from someone who is not part of a specific group or organization
    The company was cautious about using outside advice for their new project.
  5. (UK) located on the side of a road closest to the middle
    She switched to the outside lane to overtake the slower car.
  6. (US) located on the side of a road closest to the edge
    She switched to the outside lane to prepare for her exit off the highway.

noun “outside”

sg. outside, pl. outsides
  1. the external part or surface of something
    She cleaned the outside of the windows to make them sparkle.
  2. the area that is beyond the boundary of something
    The house looks better from the outside than from the inside.
  3. what someone or something looks like from the outside
    Despite his rough outside, he was very kind and gentle.
  4. the part of a curved road or track that is farther from the center
    During the race, the motorcycle went around the outside of the curve.
  5. the direction of the lane of a road closest to the center divider
    Cars should in general overtake on the outside.

preposition “outside”

outside
  1. located on the external side, not within
    The kids are playing outside the house.
  2. beyond the usual limits or borders of a geographical location
    Many people commute to work from outside London.
  3. not being part of
    The decision is outside my area of expertise.
  4. (usually with “of”) except, apart from
    Outside of his family, he had very few close friends.