- Beside the point
- Extraneous
- Faulty train lever? It’s not important!
- Moot
- Not connected with the subject
- Uncharacteristic
- Moot
- Moot (point)
- Open to discussion
- Open to question
- Liable to be debated; disputable; subject to controversy
or contention; open to question or dispute; as, a debatable question.