undo — EN↔HI

undo

/ʌnˈduː अन्ˈडू/ verb [T]

( 3rd person sing. pres. undoes pt undid pp undone )

1 to open something that was tied or fastened (बाँधी गई गाँठ या बंद किए गए बटन को) खोलना

to undo a knot/zip/button

2 to destroy the effect of something that has already happened किए हुए को बिगाड़ देना, व्‍यर्थ कर देना

His mistake has undone all our good work.