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

Type of: word

• summit meeting
• summon
• summoner
• summoning
• summons
• summum bonum
• Sumner
• sumo
• sumo ring
• sumo wrestler
• sump
• sump pump
• sumpsimus
• sumpter
• sumptuary
• sumptuosity
• sumptuous
• sumptuously
• sumptuousness
• sun
• sun bathing
• sun blocker
• Sun City
• sun dance
• sun deck