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unfix

verb
un·​fix | \ ˌən-ˈfiks How to pronounce unfix (audio) \
unfixed; unfixing; unfixes

Definition of unfix

transitive verb

1 : to loosen from a fastening : detach, disengage
2 : to make unstable : unsettle

First Known Use of unfix

1597, in the meaning defined at sense 1

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The first known use of unfix was in 1597

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