'Random' definitions:

Definition of 'random'

From: WordNet
adjective
Lacking any definite plan or order or purpose; governed by or depending on chance; "a random choice"; "bombs fell at random"; "random movements" [ant: nonrandom]

Definition of 'Random'

From: GCIDE
  • Random \Ran"dom\, a.
  • 1. Going at random or by chance; done or made at hazard, or without settled direction, aim, or purpose; hazarded without previous calculation; left to chance; haphazard; as, a random guess. [1913 Webster]
  • Some random truths he can impart. --Wordsworth. [1913 Webster]
  • So sharp a spur to the lazy, and so strong a bridle to the random. --H. Spencer. [1913 Webster]
  • 2. (Statistics) Of, pertaining to, or resulting from a process of selection from a starting set of items, in which the probability of selecting any one object in the starting set is equal to the probability of selecting any other. [PJC]
  • 3. (Construction) of unequal size or shape; made from components of unequal size or shape. [PJC]
  • at random in a manner so that all possible results have an equal probability of occurrence; for processes, each possible result is counted separately although the same type of result may occur more than once .
  • Random courses (Masonry), courses of stone of unequal thickness.
  • Random shot, a shot not directed or aimed toward any particular object, or a shot with the muzzle of the gun much elevated.
  • Random work (Masonry), stonework consisting of stones of unequal sizes fitted together, but not in courses nor always with flat beds. [1913 Webster]

Definition of 'Random'

From: GCIDE
  • Random \Ran"dom\ (r[a^]n"d[u^]m), n. [OE. randon, OF. randon force, violence, rapidity, [`a] randon, de randon, violently, suddenly, rapidly, prob. of German origin; cf. G. rand edge, border, OHG. rant shield, edge of a shield, akin to E. rand, n. See Rand, n.]
  • 1. Force; violence. [Obs.] [1913 Webster]
  • For courageously the two kings newly fought with great random and force. --E. Hall. [1913 Webster]
  • 2. A roving motion; course without definite direction; want of direction, rule, or method; hazard; chance; -- commonly used in the phrase at random, that is, without a settled point of direction; at hazard. [1913 Webster]
  • Counsels, when they fly At random, sometimes hit most happily. --Herrick. [1913 Webster]
  • O, many a shaft, at random sent, Finds mark the archer little meant! --Sir W. Scott. [1913 Webster]
  • 3. Distance to which a missile is cast; range; reach; as, the random of a rifle ball. --Sir K. Digby. [1913 Webster]
  • 4. (Mining) The direction of a rake-vein. --Raymond. [1913 Webster]

Synonyms of 'random'

From: Moby Thesaurus