- with the inner side reversed to face the outside.
- thoroughly; completely: She knew the work inside out.
Origin of inside
Synonyms for inside
Antonyms for inside
late 14c., ynneside "interior of the body," compound of in (adv.) + side (n.). The adjective is 1610s, from the noun. Inside job "robbery, espionage, etc., committed by or with the help of a resident or servant of a place" is attested by 1887, American English (also, late 19c., early 20c., "indoors work"). Inside track "advantage" is metaphoric because those lanes are shorter on a curved track. Inside of, in reference to time, is from 1839.
Within, in less than the whole of, referring especially to a period of time. For example, They promised to return it inside of a month. Although some authorities believe inside alone conveys the same meaning, the full term is widely used. [Early 1800s]
In addition to the idioms beginning with inside
- inside of
- inside out
- inside track, the
- on the inside
- step in (inside)