adj. 1 made, done, etc., without method or conscious choice (random selection). 2 Statistics a with equal chances for each item. b given by a random process. 3 (of masonry) with stones of irregular size and shape. at random without aim or purpose or principle. random-access Computing (of a memory or file) having all parts directly accessible, so that it need not read sequentially. random error Statistics an error in measurement caused by factors which vary from one measurement to another. randomize v.tr. (also -ise). randomization n. randomly adv. randomness n.
[ ME f. OF randon great speed f. randir gallop ]