unacetic
/ˌʌnækˈɛtɪk/Definitions
1. adjective
not characteristic of or similar to acetic acid, or not having a sour taste
“The unacetic flavor of the dish was a surprise to the chef.”
2. noun
a lack or absence of the characteristic of acetic acid or a sour taste
“The unacetic quality of the water was a major concern for the community.”