unsettle

[ uhn-set-l ]
/ ʌnˈsɛt l /
See synonyms for: unsettle / unsettled / unsettling on Thesaurus.com

verb (used with object), un·set·tled, un·set·tling.

to alter from a settled state; cause to be no longer firmly fixed or established; render unstable; disturb: Violence unsettled the government.
to shake or weaken (beliefs, feelings, etc.); cause doubt or uncertainty about: doubts unsettling his religious convictions.
to vex or agitate the mind or emotions of; upset; discompose: The quarrel unsettled her.

verb (used without object), un·set·tled, un·set·tling.

to become unfixed or disordered.

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Origin of unsettle

First recorded in 1535–45; un-2 + settle1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for unsettle

British Dictionary definitions for unsettle

unsettle
/ (ʌnˈsɛtəl) /

verb

(usually tr) to change or become changed from a fixed or settled condition
(tr) to confuse or agitate (emotions, the mind, etc)

Derived forms of unsettle

unsettlement, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012