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to unfasten
01
to undo or untie; to make something become loose or open
Transitive
Grammatical Information
Composition
derived
Action verb
Regular
Present tense
unfasten
3rd person singular
unfastens
Present participle
unfastening
Past simple
unfastened
Past participle
unfastened
02
to become undone, untied or loose
Transitive
Lexical Tree
unfasten
fasten
