0 past simple and past participle of vacillate
1 to be uncertain what to do, or to change often between two opinions:
Françoise often vacillated between periods of immense suffering and periods of relative calm, in which she felt she had recovered fully.
Grant vacillated about patronage recommendations, first submitting a name, then withdrawing it, then promising to make a change only to break his word after visits from the other camp.
They have pleaded and pleaded, while others have marked time, vacillated and discouraged.
They have vacillated and wobbled on this all the time.
They have never tried to institute the proper machinery to promote this development, but have vacillated between varying opinions.
So far as the policy of the administration of law and order is concerned, they have vacillated from one thing to another.
The exchange rate has vacillated in a deeply damaging way.
Indeed, policy has vacillated from one extreme to the other.
