undoing
noun(un-do-ing)
an act of loosening : unfastening
undoing
noun(un-do-ing)
ruin; also : a cause of ruin
undoing
noun(un-do-ing)
annulment, reversal
undoing
verb(un-do-ing)
to open or loose by releasing a fastening
undoing
verb(un-do-ing)
to make of no effect or as if not done : make null : reverse
undoing
verb(un-do-ing)
to ruin the worldly means, reputation, or hopes of