Pseudorandom vs. Random

Pseudorandomadjective

Of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm.

Randomnoun

A roving motion; course without definite direction; lack of rule or method; chance.

Randomnoun

(obsolete) Speed, full speed; impetuosity, force.

Randomnoun

(obsolete) The full range of a bullet or other projectile; hence, the angle at which a weapon is tilted to allow the greatest range.

Randomnoun

An undefined, unknown or unimportant person; a person of no consequence.

‘The party was boring. It was full of randoms.’;

Randomnoun

(mining) The direction of a rake-vein.

Randomadjective

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.’;

Randomadjective

(mathematics) Of or relating to probability distribution.

‘A toss of loaded dice is still random, though biased.’;

Randomadjective

(computing) Pseudorandom; mimicking the result of random selection.

‘The rand function generates a random number from a seed.’;

Randomadjective

(somewhat colloquial) Representative and undistinguished; typical and average; selected for no particular reason.

‘A random American off the street couldn't tell the difference.’;

Randomadjective

(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.’;

Randomadjective

(colloquial) Characterized by or often saying random things; habitually using non sequiturs.

‘You're so random!’;

Randomnoun

Force; violence.

‘For courageously the two kings newly fought with great random and force.’;

Randomnoun

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.

‘Counsels, when they flyAt random, sometimes hit most happily.’; ‘O, many a shaft, at random sent,Finds mark the archer little meant!’;

Randomnoun

Distance to which a missile is cast; range; reach; as, the random of a rifle ball.

Randomnoun

The direction of a rake-vein.

Randomadjective

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.

‘Some random truths he can impart.’; ‘So sharp a spur to the lazy, and so strong a bridle to the random.’;

Randomadjective

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.

Randomadjective

of unequal size or shape; made from components of unequal size or shape.

Randomadjective

lacking any definite plan or order or purpose; governed by or depending on chance;

‘a random choice’; ‘bombs fell at random’; ‘random movements’;

Randomadjective

taken haphazardly;

‘a random choice’;