Meaning: Explode a bomb
Example: Terrorists SET OFF a car bomb in the city centre last night. Fortunately, no-one was hurt or killed.
Meaning: Ring an alarm
Example: The smoke SET the fire alarm OFF.
Meaning: Start a journey
Example: We SET OFF for work at seven-thirty.
Meaning: Counterbalance a debt
Example: The company SET OFF its overseas debts against it profits at home.
Meaning: Provide a visual contrast that looks good
Example: The dark frame SETS the pale drawing OFF well.
Meaning: Cause, trigger events
Example: The pay freeze SET OFF a wave of strikes.