thoughtless 

  1. 形容詞
欠考慮的
粗心的, 輕率的
不顧及他人的
不為他人著想的
沒有思想的
遲鈍的
thoughtless of ...(A: 人) to ...(B: 動詞...):
(A)做(B)是粗心的
(A)做(B)是輕率的
(A)做(B)是不為他人著想的

    同義字詞
discourteous,disrespectful,ill-bred,ill-mannered,impertinent,impolite,inconsiderate,rude,uncalled-for,uncivil,ungracious,unhandsome,unmannered,unmannerly

例句

  1. Now your brain's as thoughtless as Spam!
  2. The thoughtless and giddy became serious.
  3. All should be "both thoughtless and strong".
  4. Your thoughtless replies are crowding this page.
  5. How thoughtless and foolish I have oftentimes been!