to suddenly stop moving or working.

I hit two keys at the same time and my computer just seized up.

Her leg seized up and she had to be carried out.

• fall for something hook, line and sinker
• fall foul of
• fall foul of someone
• fall foul of something
• fall from grace
• fall guy
• fall head over heels
• fall head over heels in love
• fall in a heap
• fall in line
• fall in love
• fall in love with
• fall in love with someone
• fall in love with something
• fall into clutches
• fall into hands
• fall into lap
• fall into line
• fall into place
• fall into someone's clutches
• fall into someone's hands
• fall into the trap of
• fall into the trap of doing something
• fall into the wrong hands
• fall into your lap