neglectful

1. ADJ If you describe someone as neglectful, you think they fail to do everything they should do to take care of someone or something properly. 失職的

...neglectful parents. …失職的家長(zhǎng)們。

2. ADJ If someone is neglectful of something, they do not give it the attention or consideration that it should be given. 忽視的[oft v-link ADJ 'of' n]

Have I been neglectful of my friend, taking him for granted?

我忽視了我的朋友、沒有把他當(dāng)回事嗎？