1. 无意地：overvoltage 过电压 | unintentionally 无意地 | grounding接地(电)

2. 无意中：unintentional /无心的/无意识的/不是故意的/ | unintentionally /无意中/ | uninterchangeability /不可互换性/

3. 非故意的：事先认为 preconceive | 非故意的 unintentionally | 来自 originate

4. 无意的：8 Under way 正在进行 | 8 Unintentionally 无意的 | 8 Unsolicited 垃圾

adv

1. without intention
in an unintentional manner

e.g. she hit him unintentionally

Synonym: accidentally