What is the meaning of Random?

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

Speed, full speed; impetuosity, force.

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

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

The direction of a rake-vein.

A frame for composing type.

Occurring for no particular reason; haphazard, unpredictable.

Involving an outcome which is impossible to predict, but which may be represented by a probability distribution; in the ideal case, involving outcomes which are equally likely.

Pseudorandom; mimicking the result of random selection.

Selected for no particular reason; arbitrary; unspecified.

Being (part of) a varied, unrelated, and apparently arbitrary collection of things; diverse, heterogeneous.

Apropos of nothing; lacking context, relevance, or any connection to the previous situation; unexpected.

Of a person: characterized by or often saying random things; habitually using non sequiturs.

Being out of the ordinary; unusual or unexpected; odd, strange, bizarre.

random (apropos of nothing, lacking context)

random person; random guy, rando

random (selected for no particular reason)

random (apropos of nothing, lacking context)

random (often saying random things)

random

undistinguished, average, arbitrary, whichever, any

random, rando (undefined, unknown, or unimportant person; a person of no consequence)

dative plural of rand

random

random person; random guy, rando

Source: wiktionary.org