Meaning of “inside” - Learner’s Dictionary


noun us uk /ˌɪnˈsaɪd/
the inside

B2 the part of something that is under its surface:

I cleaned the inside of the oven.
The door had been locked from the inside.

More examples

inside out

B2 If a piece of clothing is inside out, the part that is usually outside is on the inside:

Harry, you've got your sweater on inside out again.

(Definition of “inside noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)