a.

1. 道歉的，認錯的；愧悔的[（+for/about）]
   She was apologetic for not keeping her promise.

   她對自己未能遵守諾言表示歉意。

   The Mayor's Office issued an apologetic statement regarding the Mayor's indiscreet remarks.

   有關市長的失言，市長辦公室發佈了一則道歉的新聞稿。

2. 辯解的，辯護的

n.

1. （為事業、信仰等所作的）辯護（書）[C]

adj.

1. making or expressing an apology.
2. constituting a formal justification of a theory or doctrine.