Ambivalence

Ambivalence  [am-biv-uh-luh ns]

Noun
- Uncertainty or fluctuation caused by inability to make a choice

- The coexistence of opposing attitudes or feelings, such as love and hate, toward a person, object, or idea

Mnemonic
Am (I) + bi (both) + value; 

I value both sides and hence have mixed feelings and am uncertain.

Synonyms
equivocation, doubt

Usage

1. Waiters must have a high tolerance for ambivalence

2. She was ambivalent about going to grad school

Antonyms

certainty, decisiveness