Phrasal Verbs
to begin a journey We set off for Boston just after ten.
- 1to make a bomb, etc. explode A gang of boys were setting off fireworks in the street.
- 2to make an alarm start ringing Opening this door will set off the alarm.
- 3to start a process or series of events Panic on the stock market set off a wave of selling.
- 4to make something more noticeable or attractive by being placed near it That blouse sets off the blue of her eyes.
to make someone start doing something such as laughing, crying, or talking