inconsiderate
US
UK inconsiderate adj: (thoughtless of others)
SC 考虑欠周的 kǎo lǜ qiàn zhōu de
SC 不为他人着想的 kǎo lǜ qiàn zhōu de，bú wèi tā rén zhuó xiǎng de
SC 轻率的 kǎo lǜ qiàn zhōu de，qīng shuài de
TC 輕率的
TC 輕率的
I find it inconsiderate when friends forget my birthday.