Something that is unintentional is not done deliberately, but happens by accident.
例句
Perhaps he had slightly misled them, but it was quite unintentional...也许他给他们造成了小小的误导,但他不是有意的。There are moments of unintentional humour.有几个并非出于本意的引人发笑之处。
英英词典释义
Adjective
1. not done or made or performed with purpose or intent
2. without deliberate intent;
"my heart with unwilled love grew warm"- George Macdonald
3. not intentional;
"an unintended slight""an unintentional pun""the offense was unintentional""an unwitting mistake may be overlooked"