Third-person singular simple present indicative form of unsettle.(verb)
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Use "unsettles" in a sentence
"The blurring/symbolic erasure (especially of the heads) in this one unsettles me."
"The very existence of the Tea Party unsettles the assertion that stable liberal democracy yields a politics governed by reason alone."
"Finally: Successful reform requires having the stomach to ditch what doesn't work, follow through on what does and try what might, even when such action unsettles stakeholders."