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Webster 1828 Edition

pp.

Loosed from buckles; unfastened.

unbuckled

simple past tense and past participle of unbuckle
- 1907, Harold Bindloss, chapter 22, in The Dust of Conflict:
  Appleby […] rose from his seat when Morales came in. He shook hands urbanely, unbuckled his sword, and laid his kepi on the table, and then sat down with an expression of concern in his olive face which Appleby fancied was assumed.