Synonyms of 'show something up'
▷ See show
revealDictionary, expose, highlight
The awards showed up the fact that TV has been a washout this year.
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To expose a person or situation means to reveal that they are bad or immoral in some way.
After the scandal was exposed, he committed suicide.
If you reveal something that has been out of sight, you uncover it so that people can see it.
A grey carpet was removed to reveal the pine floor.
Thesaurus for show something up from the Collins English Thesaurus