Etymology
Advertisement
pass out (v.)

"lose consciousness," 1915, from pass (v.) + out. Probably a weakened sense from earlier meaning "to die" (1899). Meaning "to distribute" is attested from 1926. Related: Passed out.

Related entries & more 
Advertisement
stand-out (n.)
also standout, "one who is eminent," 1928; as an adjective in this sense from 1932; from verbal phrase, from stand (v.) + out (adv.). Earlier it was used in a sense "labor strike" (1898). To stand out is from 1530s as "to project or seem to project," 1826 in the figurative sense "be prominent."
Related entries & more 
walk-out (n.)
"strike," 1888, from walk (v.) + out (adv.). Phrase walk out "to leave" is attested by 1840. To walk out on a person "desert, forsake" is by 1913.
Related entries & more 
white-out (n.)
1946 as an extreme snow condition on the U.S. prairie, from white as a verb + out (adv.). From 1977 as a liquid correction for paper.
Related entries & more 
buy-out (n.)
also buy-out, "the purchasing of a controlling share in a company," 1961, from verbal phrase buy out "purchase (someone's) estate and turn him out of it," 1640s, from buy (v.) + out (adv.).
Related entries & more 
Advertisement
rain-out (n.)

also rain out, rainout, "cancellation or interruption of an outdoor event due to rain," 1947, from the verbal phrase; see rain (v.) + out (adv.). Of baseball games, to be rained out "cancelled because of rain" is attested from 1928.

Related entries & more 
wash-out (n.)
also washout, 1877, "act of washing out" (a drain, etc.), from verbal phrase; see wash (v.) + out (adv.). From 1873 as "excavation of a roadbed, etc., by erosion" is from 1873. Meaning "a disappointing failure" is from 1902, from verbal phrase wash out "obliterate, cancel" (something written in ink), attested from 1570s. Hence also the colloquial sense of "to call off (an event) due to bad weather, etc." (1917). Of colored material, washed-out "faded" is from 1837.
Related entries & more 
stake-out (n.)

"act of surveillance (of a place) to detect criminal activity or find a wanted person," by 1942, American English, from the verbal phrase (1942), from stake (v.2) + out (adv.).

Related entries & more 
way-out (adj.)
1868, "far off," from way (adv.), short for away, + out. Sense of "original, bold," is jazz slang from 1940s, probably suggesting "far off" from what is conventional or expected.
Related entries & more 
fade-out (n.)
1918, from verbal phrase, from fade (v.) + out (adv.).
Related entries & more 

Page 5