Definition of "catch out" []

To discover or expose as fake, insincere, or inaccurate. (verb)
To put a batsman out by catching the batted ball before it touches the ground. (verb)

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Use "catch out" in a sentence

"Dad, how’re you doing?” she asked and tried to keep the catch out of her throat."
"It went slowly and precisely, Nerva being Nerva — he did, by the way, evolve an excellent system to catch out slaves claiming to be Italian who were not Italian, by quizzing them in Oscan and local geography of our peninsula."

Words like "catch out"