vacillating

adjective

1. not resolute; wavering; indecisive; hesitating: an ineffectual, vacillating person.
2. oscillating; swaying; fluctuating: a vacillating indicator.

verb (used without object), vac·il·lat·ed, vac·il·lat·ing.

1. to waver in mind or opinion; be indecisive or irresolute: His tendency to vacillate makes him a poor leader.
2. to sway unsteadily; waver; totter; stagger.
3. to oscillate or fluctuate.

adjective

1. inclined to waver; indecisive

verb (intr)

1. to fluctuate in one’s opinions; be indecisive
2. to sway from side to side physically; totter or waver

v.

1590s, “to sway unsteadily,” from Latin vacillatum, from vacillare (see vacillation). Meaning “to waver between two opinions or courses” is recorded from 1620s. Related: Vacillated; vacillates; vacillating.