[ ran-duhm ]
/ ˈræn dəm /
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.
- (of building materials) lacking uniformity of dimensions: random shingles.
- (of ashlar) laid without continuous courses.
- constructed or applied without regularity: random bond.
- 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.
something that is random, or a random state or condition: different statistical methods used to estimate randoms.
- a person or thing that is unknown, unidentified, or suspiciously out of place.
- a person or thing that is odd or unpredictable.
Chiefly British. bank3(def 7b).
Building Trades. without uniformity: random-sized slates.
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Idioms for random
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
OTHER WORDS FROM random
ran·dom·ly, adverbran·dom·ness, nounnon·ran·dom, adjectivenon·ran·dom·ly, adverb
Words nearby random
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for nonrandom
/ (ˈrændəm) /
lacking any definite plan or prearranged order; haphazarda random selection
- having a value which cannot be determined but only described probabilisticallya random variable
- chosen without regard to any characteristics of the individual members of the population so that each has an equal chance of being selectedrandom sampling
informal (of a person) unknownsome random guy waiting for a bus
at random in a purposeless fashion; not following any prearranged order
Derived forms of randomrandomly, adverbrandomness, 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
Scientific definitions for nonrandom
[ răn′dəm ]
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
see at random.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.