形容詞 inconsiderate:

1. lacking regard for the rights or feelings of others
2. without proper consideration or reflection
   同義詞：unconsidered

1. He's inconsiderate to his family.
   他不體諒他的家人。
2. Lacking kindness; inconsiderate or unsympathetic.
   冷酷的缺乏善意的; 不為他人考慮的或對他人沒有同情心的
3. He wasn't just inconsiderate, he was downright rude.
   他豈止不體諒人，簡直是十分粗暴。

in.con.sid.er.ate

adj.（形容詞）
Thoughtless of others; displaying a lack of consideration.
不考慮別人的：不考慮別人的；表現(xiàn)得缺乏體諒的
Not well considered or carefully thought out; ill-advised.
未經(jīng)熟慮的：考慮不周的或未仔細思考的；粗心的

【引伸】
in.consid.erately
adv.（副詞）
in.consid.erateness 或
in.consid.era.tion