The most common and most likely answer to this crossword clue is the 7 letter word WHIFFLE
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More clues leading to the result WHIFFLE
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The straight part
We know that "Vacillate" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vacillate = whiffle.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does WHIFFLE mean?
WHIFFLE noun- A short blow or gust.
- Something small or insignificant; a trifle.
- A fife or small flute.
- To blow a short gust.
- To waffle, talk aimlessly.
- To waste time.
- To travel quickly with an accompanying wind-like sound; whizz, whistle along.
- (of a bird) To descend rapidly from a height once the decision to land has been made, involving fast side-slipping first one way and then the other.
- To waver, or shake, as if moved by gusts of wind; to shift, turn, or veer about.
- To wave or shake quickly; to cause to whiffle.
- To change from one opinion or course to another; to use evasions; to prevaricate; to be fickle.
- To disperse with, or as with, a whiff, or puff; to scatter.