abstain

verb

1. 1

   Keep or withhold oneself.

2. 2

   Refrain from (something or doing something); keep from doing, especially an indulgence.

   “In order to improve his health, Rob decided to abstain from smoking.”

3. 3

   Fast (not eat for a period).

4. 4

   Deliberately refrain from casting one's vote at a meeting where one is present.

   “I abstain from this vote, as I have no particular preference.”

5. 5

   Hinder; keep back; withhold.