Cuss words are profanities that are used to insult, abuse or express strong negative emotions. Synonyms for cuss words include swear words, curse words, expletives, obscenities, profanities, vulgarities, and blasphemies. These words are considered taboo in many cultures and societies and may be punishable by law. Some words are considered more offensive than others and can cause offence or hurt feelings. People may use cuss words to release anger or frustration, or to feel powerful and expressive. However, it is important to consider the impact of such language on others and be mindful of one's words.