形容詞 unintentional:

1. not done or made or performed with purpose or intent
   同義詞：undesigned
2. without deliberate intent- George Macdonald
   同義詞：unwilled
3. not intentional
   同義詞：unplanned, unwitting

1. An unintentional omission or mistake.
   失察，疏忽出錯無意的疏忽或錯誤
2. Not intended; unintentional.
   并非蓄意的; 無意的
3. It was really quite unintentional.
   這實在不是有意的。