without any plan, order, or pattern; happening or chosen by chance
The teacher picked a random student to answer the question.
We chose a random number between one and ten.
✦ From Middle French random “speed, rush,” from Old French randon “force, impetuosity,” of Germanic origin related to “run.”
strange or unexpected, with no clear connection to what is happening
It was so random when it started snowing in July.
A random dog followed me all the way home.
a person who is not known or not part of a group
A random bumped into me and asked for directions.
We don't let randoms into the private chat.