at random
[adverb]
Synonyms: about, anyhow, any which way, anywise, around, haphazard, haphazardly, helter-skelter, random, randomly

[TahlilGaran] English Synonym Dictionary ▲

at random
without choosing intentionally; by chance:
The winning entry will be the first correct answer drawn at random.

[TahlilGaran] Advanced Learner's Dictionary ▲

at random
without sequence or order
The members of the team were chosen at random from among the regular players.

[TahlilGaran] English Idioms Dictionary ▲

at random
adv. phr. With no order, plan, or purpose; in a mixed-up, or thoughtless way.
He opened the letters at random.
His clothes were scattered about the room at random.

[TahlilGaran] English Idioms Dictionary ▲