“They wanted to compare if the insides were as identical as the outside,” Helen explains.
By Day 5, though, the tremendous surge in my fiber intake was wreaking havoc on my insides.
It is worth remembering that the Boston Marathon bombers armed their pressure cooker bombs with the insides of fireworks.
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.
In prison (1888+ Prison)