Surprise attacks are strikes made by surprise to catch someone off-guard. The term "surprise attack" can be replaced with a variety of synonyms to add variety to your writing. An ambush is a surprise attack from a concealed position. A raid, typically associated with war, is a sudden attack. A sneak attack is similar to an ambush but implies a hidden and devious nature. A coup is a sudden seizure of power or control. A blitz, usually associated with sports, is a sudden, aggressive attack meant to overwhelm the opponent. Synonyms for surprise attacks provide a way to avoid overusing a term and maintain reader interest.