disinterested
impartial or not personally invested
Roots
- dis- / dif-: apart, away, not, reversal, or disruption
- interest: personal stake, concern, or involvement
Other words with the interest root
- interest: personal stake, concern, or curiosity
Dis- pulls personal interest away: a disinterested judge has no stake in the outcome.
The committee needed a disinterested judge not a friend of either side.
Do not read it as bored. Uninterested means no curiosity. Disinterested means no personal stake, so the judgment can stay fair.