It was a pivotal moment in their relationship when Anthony proposed to his girlfriend.
The definition of pivotal is something which is central, vital or very important.
An example of something that would be described as a pivotal decision in your life is the decision to marry your spouse.
- of or acting as a pivot
- on which something turns or depends; central, crucial, critical, etc.
- Of, relating to, or serving as a pivot.
- Being of vital or central importance; crucial: a decision that was pivotal to our success.