Neutral

1. Not taking sides in a conflict such as war; nonaligned.
2. Favouring neither the supporting nor opposing viewpoint of a topic of debate; unbiased.
3. Neither positive nor negative.
4. Neither beneficial nor harmful.
5. (biology) Having no sex; neuter.
6. Having no obvious colour; gray
7. (physics) Neither positive nor negative; possessing no charge or equivalent positive and negative charge such that there is no imbalance.
8. (chemistry) Having a pH of or near 7, neither acidic nor alkaline.

Synonyms

• (neither beneficial nor harmful): innocuous