inside (EN)
preposition, adverb, noun, adjective

preposition “inside”

inside
  1. located at the center or nearest to the center of something
    She found her keys inside her purse.
  2. happening within a specific timeframe
    She managed to learn the entire piano piece inside three days.

adverb “inside”

inside
  1. moving or being towards the interior part of a place, especially a building
    The cat was cold, so it came inside.
  2. (colloquial) referring to being in prison
    After the robbery, Mike ended up inside for five years.

noun “inside”

sg. inside, pl. insides or uncountable
  1. the part that is within or on the inside
    She found her lost ring inside her purse.
  2. the side of the road where slower vehicles drive
    You should never overtake another car on the inside.
  3. the part of a curved path that is shorter because it is closer to the center
    During the race, he hugged the inside of the track to overtake his competitor on the sharp turn.
  4. (slang) secret information available only to a select few
    She promised to give me the inside on who's getting promoted next week.

adjective “inside”

inside, non-gradable
  1. related to the inner part
    The inside pages of the book were filled with colorful illustrations.
  2. coming from someone within an organization
    The CEO's decision was influenced by an inside source within the company.
  3. referring to the side of the road where slower vehicles drive
    During heavy traffic, it's often faster to switch to the inside lane.
  4. closer to the center or interior part of a curved path
    During the race, she strategically chose the inside track on the curve to gain a slight advantage.