SYNONYMS | WORD ORIGIN | IDIOMS adjective proceeding, made, or occurring without definite aim, reason, or pattern: the random selection of numbers. . Statistics of or characterizing a process of selection in which each item of a set has an equal probability of being chosen. . Building Trades (of building materials) lacking uniformity of dimensions: random shingles. (of ashlar) laid without continuous courses. constructed or applied without regularity: random bond. . Slang unknown, unidentified, or suspiciously out of place: A couple of random guys showed up at the party. odd or unpredictable, often in an amusing way: my totally random life. SEE MORE SEE LESS noun something that is random, or a random state or condition: different statistical methods used to estimate randoms. Slang. a person or thing that is unknown, unidentified, or suspiciously out of place. a person or thing that is odd or unpredictable. SEE MORE SEE LESS adverb . Building Trades without uniformity: random-sized slates. Nearby words rando, randolph, randolph, asa philip, randolph, edmund, randolph, john, random access, random access memory, random coil, random error, random line Idioms at random, without definite aim, purpose, method, or adherence to a prior arrangement; in a haphazard way: Contestants were chosen at random from the studio audience. Origin of random 1275–1325; Middle English raundon, random < Old French randon, derivative of randir to gallop < Germanic Related forms ran·dom·ly, adverb ran·dom·ness, noun non·ran·dom, adjective non·ran·dom·ly, adverb non·ran·dom·ness, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for nonrandom adjective lacking any definite plan or prearranged order; haphazard a random selection statistics having a value which cannot be determined but only described probabilistically a random variable chosen without regard to any characteristics of the individual members of the population so that each has an equal chance of being selected random sampling informal (of a person) unknown some random guy waiting for a bus noun at random in a purposeless fashion; not following any prearranged order Derived Forms randomly, adverb randomness, noun Word Origin for random
C14: from Old French
randon, from randir to gallop, of Germanic origin; compare Old High German rinnan to run
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for nonrandom adj.
"having no definite aim or purpose," 1650s, from
at random (1560s), "at great speed" (thus, "carelessly, haphazardly"), alteration of Middle English noun randon "impetuosity, speed" (c.1300), from Old French randon "rush, disorder, force, impetuosity," from randir "to run fast," from Frankish *rant "a running" or some other Germanic source, from Proto-Germanic *randa (cf. Old High German rennen "to run," Old English rinnan "to flow, to run;" see run (v.)).
In 1980s U.S. college student slang it began to acquire a sense of "inferior, undesirable." (A 1980 William Safire column describes it as a college slang noun meaning "person who does not belong on our dormitory floor.")
Random access in reference to computer memory is recorded from 1953. Related: Randomly; randomness.
Online Etymology Dictionary, © 2010 Douglas Harper
Science definitions for nonrandom Relating to a type of circumstance or event that is described by a probability distribution. Relating to an event in which all outcomes are equally likely, as in the testing of a blood sample for the presence of a substance.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with nonrandom
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.