derogative

adj

1. Disparaging; tending or intending to be belittling.

   “"How strange, but then again, he is a strange man." [...] "Don't get me wrong. I did not mean that in a derogative sense."”

2. Of or pertaining to derogation; that derogates

noun

1. (rare)A derogatory word or word-form.

   “(interposing s, the characteristic of diminutives and derogatives)”