show up

show up
show up & shows up
showing up
showed up
shown up

1. show up p.v. When you appear somewhere, you show up. Turn up is similar to show up.
/ was supposed to meet my sister for lunch, but she hasn't shown up yet.
Over a hundred people showed up for the news conference.

2. show up p.v. When something appears or becomes visible, it shows up.
It's hard to photograph polar bears because they don't show up well against the snow. The spots won't show up until the last stages of the disease.