I agree I am ambitious, and I don't see that as a pejorative term.

我承认我有抱负，但我不认为这是个贬义词。

《柯林斯英汉双解大词典》

I'm using the word 'academic' here in a pejorative sense.

我这里使用的“学术”一词是贬义的。

《牛津词典》

In more recent years, at least judging from a search of the Post archives, cads, thugs, molesters, and swindlers have most frequently elicited what the paper might call the porcine pejorative.

在最近的这些年里，至少从对档案的数据库可以判断出，新闻报纸上更会经常使用像猪一样的这个轻蔑的词来指代无赖，恶棍，猥亵犯，骗子这类人。

youdao

"Banana republic" is a pejorative term for a country that is politically unstable, dependent on limited agriculture and ruled by a small, self-elected, wealthy, corrupt clique and uneducated and subservient populations.

CENTERFORSECURITYPOLICY: Delahunt��s Banana 'Slip'

Political correctness itself is a fairly recent invention, a pejorative late-1980s label for a host of different things many legendary linked to the rise of grievance politics and related attempts to induce linguistic good manners.

ECONOMIST: It��s stupidity, stupid

But the difference - it has assumed a pejorative meaning, just like the proverbial...

NPR: Words Matter: Terms of Global Conflict Debated