Here's a breakdown of the meaning:
* Waver: To hesitate or be uncertain about something.
* Oscillate: To move back and forth between two points or positions.
* Indecisive: Unable to make a decision or choice.
Examples:
* "He was vacillating between taking the job offer or staying in his current position."
* "The government's vacillating policies on immigration have caused confusion and uncertainty."
* "Her vacillating mood swings made it difficult to have a stable relationship with her."
Synonyms:
* Hesitate
* Dither
* Fluctuate
* Ambivalent
* Unsettled
Antonyms:
* Decisive
* Resolute
* Steadfast
* Firm
* Determined