Pronunciation enPR: ro͞od, IPA (key): /ruːd/ SAMPA: /ru:d/ Audio (US)(file) Adjective Positive rude Comparative ruder Superlative rudest If someone is rude or does something rude, they act in a way that will likely upset people. Synonym: impolite Antonym: polite Don't interrupt me when I'm speaking. It's rude.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads