Idioms for inside

    inside of, Informal. within the space or period of: Our car broke down again inside of a mile.
    inside out,
    1. with the inner side reversed to face the outside.
    2. thoroughly; completely: She knew the work inside out.

Origin of inside

Middle English word dating back to 1350–1400; see origin at in, side1

SYNONYMS FOR inside

7 Inside, interior both refer to the inner part or space within something. Inside is a common word, and is used with reference to things of any size, small or large: the inside of a pocket. Interior, somewhat more formal, denotes the inner part or the space or regions within; it usually suggests considerable size or extent, and sometimes a richness of decoration: the interior of a country, of the earth, of a cathedral.

British Dictionary definitions for inside out

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See outside

Idioms and Phrases with inside out (1 of 2)

inside out

1

With the inner surface turned out or revealed, as in He wore his shirt inside out. This expression dates from about 1600 and was soon used figuratively, as in He turned the verses inside out and revealed their hidden sense.

2

Extremely well, thoroughly, especially alluding to knowing something. For example, He knows this system inside out. [First half of 1900s]

Idioms and Phrases with inside out (2 of 2)

inside