arbitrarychoice

noun
UK /ˌɑːbɪtrəri ˈtʃɔɪs/
US /ˌɑːrbɪtreri ˈtʃɔɪs/

A pick you make without a special reason.

Picking the red cup was an arbitrary choice; any cup would do.


OTHER MEANINGS

2. A decision made by personal whim rather than by rules or logic.

The judge's ruling seemed like an arbitrary choice rather than a fair one.

3. A selection based on chance instead of careful thought.

Choosing the winner by drawing names was an arbitrary choice.

4. A pick that could easily have been different with no real effect.

The team name was an arbitrary choice made in five minutes.