Vacillating vs Determined - What's the difference?

As verbs the difference between vacillating and determined

is that vacillating is present participle of lang=en while determined is past tense of determine.

is that vacillating is liable to vacillate; wavering, irresolute while determined is decided; resolute, possessing much determination.

(head)

(en adjective)

Liable to vacillate; wavering, irresolute.

(en adjective)

Decided; resolute, possessing much determination.

I'm determined to get a good grade in my exam.

(head)

(determine)