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vacillating

[vas-uh-ley-ting] /ˈvæs əˌleɪ tɪŋ/
adjective
1.
not resolute; wavering; indecisive; hesitating:
an ineffectual, vacillating person.
2.
oscillating; swaying; fluctuating:
a vacillating indicator.
Also, vacillant.
Origin of vacillating
1805-1815
1805-15; vacillate + -ing2
Related forms
vacillatingly, adverb
nonvacillating, adjective
unvacillating, adjective
Synonyms
1. See fickle.

vacillate

[vas-uh-leyt] /ˈvæs əˌleɪt/
verb (used without object), vacillated, vacillating.
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.
Origin
1590-1600; < Latin vacillātus (past participle of vacillāre to sway to and fro); see -ate1
Related forms
vacillator, noun
Synonyms
1. hesitate. See waver1 . 2. reel.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for vacillating

vacillating

/ˈvæsɪˌleɪtɪŋ/
adjective
1.
inclined to waver; indecisive
Derived Forms
vacillatingly, adverb

vacillate

/ˈvæsɪˌleɪt/
verb (intransitive)
1.
to fluctuate in one's opinions; be indecisive
2.
to sway from side to side physically; totter or waver
Derived Forms
vacillation, noun
vacillator, noun
Word Origin
C16: from Latin vacillāre to sway, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for vacillating

vacillate

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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