形容詞 intentional:

1. by conscious design or purpose
   同義詞：deliberate, knowing
2. done or made or performed with purpose and intent
   同義詞：designed
3. done by design
   同義詞：willful, wilful

1. The intentional, usually remote-controlled destruction of a space vehicle, rocket, or missile after launching, as for defective performance or reasons of safety.
   毀滅，摧毀因為方案不完善或為了安全的原因，經(jīng)常通過遙控對已發(fā)射的宇宙飛船、火箭或?qū)棇嵤┑挠幸獾拇輾?/div>
2. His insult was intentional.
   他的侮辱是有意的。

in.ten.tion.al

adj.（形容詞）
Done deliberately; intended:
故意做的；故意的：
例句：
an intentional slight.See Synonyms at voluntary
故意的怠慢參見 voluntary

Having to do with intention.
與目的有關的

【引伸】
inten.tional.ity
inten.tionally
adv.（副詞）