unfast

动词 v. 形容词 adj.
中文释义

英文释义

动词 v.
  1. To loose; release. transitive
形容词 adj.
  1. Not fast or safe; not secure.

词形变化

unfasts present,singular,third-person unfasting participle,present unfasted participle,past unfasted past more unfast comparative most unfast superlative

词源

词源 1
From Middle English unfasten, unvesten, onfesten, equivalent to un- + fast.
词源 2
From un- + fast.
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