say it: uhn-DUHN
undone is an adjective meaning "not done". It carries 4 recorded senses.
doomed to extinction
not fastened or tied or secured
“her blouse had come undone at the neck”
“his shoelaces were undone”
thrown into a state of disorganization or incoherence
“price programs became unstuck because little grain was available”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for undone come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.