Undoer n. : One who undoes anything; especially, one who ruins another.

Example:


Taxonomy
dictionary, Encyclopedia, destroyer, online dictionary, ruins, thesaurus browser, undoing, Free Online Dictionary, synonyms, antonyms, shoelace, Undocumented, English dictionary, lays, free online English dictionary, seducer, undogmatic, Translations.

Defination from the web:
Undoer in the Online Dictionary. Meaning of Undoer. Pronunciation of Undoer. Translations of Undoer. Undoer synonyms, Undoer antonyms. ... undoer - a person who unfastens or unwraps or opens; "children are talented undoers of their shoelaces" unfastener, untier, opener ...