From Middle English raundon, from Old French randon, from randir (“to gallop”) ( > French randonnée (“long walk, hike”)), from Frankish *rant, *rand (“a running”), from Proto-Germanic *randijō (“a running”), from Proto-Germanic *rinnaną (“to run”), from Proto-Indo-European *ren- (“to rise; to sink”). See run.
random (plural randoms)
- (obsolete) Speed, full speed; impetuosity, force. [14th-17th c.]
- 1485, Sir Thomas Malory, Le Morte Darthur, Book I.10:
- And therwith two of them dressid their sperys, and Ulfyus and Brastias dressid theire speres, and ranne to gyder with grete raundon.
- (obsolete) The full range of a bullet or other projectile; hence, the angle at which a weapon is tilted to allow the greatest range. [16th-19th c.]
- 1624, John Smith, Generall Historie, in Kupperman 1988, p. 144:
- Fortie yards will they shoot levell, or very neare the marke, and 120 is their best at Random.
- (figuratively, colloquial) An undefined, unknown or unimportant person; a person of no consequence. [from 20th c.]
- The party was boring. It was full of randoms.
obsolete: speed, full speed; impetuosity, force
random (comparative more random, superlative most random)
- Having unpredictable outcomes and, in the ideal case, all outcomes equally probable; resulting from such selection; lacking statistical correlation.
- The flip of a fair coin is purely random.
- The newspaper conducted a random sample of five hundred American teenagers.
- The results of the field survey look random by several different measures.
- July 18 2012, Scott Tobias, AV Club The Dark Knight Rises
- Where the Joker preys on our fears of random, irrational acts of terror, Bane has an all-consuming, dictatorial agenda that’s more stable and permanent, a New World Order that’s been planned out with the precision of a military coup.
- (mathematics) Of or relating to probability distribution.
- A toss of loaded dice is still random, though biased.
- (computing) Pseudorandom in contrast to truly random; mimicking the result of random selection.
- The rand function generates a random number from a seed.
- (somewhat colloquial) Representative and undistinguished; typical and average; selected for no particular reason.
- A random American off the street couldn't tell the difference.
- (somewhat colloquial) Apropos of nothing; lacking context; unexpected; having apparent lack of plan, cause, or reason.
- That was a completely random comment.
- The teacher's bartending story was interesting, but random.
- The narrative takes a random course.
- (colloquial) Characterized by or often saying random things; habitually using non sequiturs.
- You're so random!
Derived terms 
terms derived from random (adjective)
all outcomes being unpredictable
mathematics: of or relating to probability distribution
apropos of nothing
- Czech: nevypočitetelný (cs) m
- Danish: overflødig (da), ligegyldig (da)
- Finnish: satunnainen (fi), asiaankuulumaton (fi), irrallinen (fi)
- French: sans queue ni tête (fr), incohérent (fr)
- Japanese: 適当な (ja) (てきとうな, tekitō na), 出任せの (ja) (でまかせの, demakase no), 勝手気ままな (ja) (かってきままな, katte-kimama na); 不可解な (ja) (ふかかいな, fukakai na)
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.
Translations to be checked
- Albanian: please add this translation if you can
- Arabic: عشوائي (ʕašwāʾī)
- Catalan: aleatori
- Mandarin: 随机 (suíjī)
- Esperanto: please add this translation if you can
- French: accidentel, imprévisible (1), au hasard, aléatoire (2), arbitraire
- Georgian: ალალბედზე (alalbedze)
- Hebrew: אקראי (A'kra'i) m, אקראית (A'kra'it) f
- Hindi: यादृच्छिक (yaadhRchChika)
- Icelandic: please add this translation if you can
- Indonesian: please add this translation if you can
- Korean: please add this translation if you can
- Mongolian: please add this translation if you can
See also