When it comes to describing unpleasant people, there are many synonyms for the word "nasty". Whether you want to avoid profanity or add some variety to your vocabulary, these terms may come in handy. Some of the synonyms for nasty persons include "malicious", "malevolent", "hostile", "belligerent", "vindictive", "spiteful", "venomous", "malignant", "hateful", and "odious". Each of these words conveys a different shade of meaning, but all of them suggest someone who is unpleasant to be around. Whether you're writing a story, venting about a co-worker, or simply trying to articulate your feelings, it's important to have a range of words at your disposal that can capture the complexity of human personality.