undo

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undo /ˌʌnˈduː/ verb
undoes; undid /-ˈdɪd/ ; /ˌʌnˈdɪd/; undone /-ˈdʌn/ ; /ˌʌnˈdʌn/ ; undoing
undo
/ˌʌnˈduː/
verb
undoes; undid /-ˈdɪd/ ; /ˌʌnˈdɪd/; undone /-ˈdʌn/ ; /ˌʌnˈdʌn/ ; undoing
Learner's definition of UNDO
[+ object]
: to open or release (something) : to unfasten or loosen (something)
: to change or stop the effect of (something) : reverse
formal : to cause the failure of (someone or something)
see also undone
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