"occurring away from a site," 1956, from off (prep.) + site (n.).

"a remote chance," 1861, from off (prep.) + chance (n.).

1929, in reference to automobile parking, "not on a public street," from off (prep.) + street.

"intermittently, occasionally," 1530s; see off (adv.) + on. As an adjective, "occasional," from 1580s.

1709, "put aside, rejected," from verbal phrase cast off "discard, reject" (c. 1400), from cast (v.) + off (adv.). From 1741 as a noun, "person or thing abandoned as worthless or useless." Related" Cast-offs.

"used, meant to be used, or taking place away from roads," 1949, from off- (adj.) (see off (prep.)) + road.

"act of pushing off" (a boat, from the land), 1902, from the verbal phrase; see push (v.) + off (adv.).