1. Any of several short English words (often having 4 letters) generally regarded as obscene or offensive
   - four-letter word

Type of: word

• isogone
• isogonic
• isogonic line
• isogram
• isohel
• isohyet
• isolable
• isolate
• isolated
• isolating
• isolation
• isolationism
• isolationist
• isolationistic
• isolator
• Isolde
• Isole Egadi
• isoleucine
• isoline
• isomer
• isomerase
• isomeric
• isomerisation
• isomerise
• isomerism