randomly Definition

random
adj

1. Lacking a definite plan, system or order; haphazard; irregular.

Thesaurus: chance, arbitrary, aimless, indiscriminate, haphazard, fortuitous, purposeless, stray, unplanned, accidental; Antonym: deliberate, systematic.

Idiom: at random

Without any particular plan, system or purpose; haphazardly.
Example: chosen at random
Thesaurus: randomly, arbitrarily, fortuitously, indiscriminately, haphazardly, unsystematically.

Derivative: randomly
adverb

Derivative: randomness
noun

Derivative: randomwise
adverb

Etymology: 14c: from French randon, from randir to gallop.