find out - {v.} 1. To learn or discover (something you did not know before.) * /One morning the baby found out for the first time that she could walk./ * /I don't know how this car works, but I'll soon find out./ * /He watched the birds to find out where they go./ * /Mary was angry when Jane found out her secret./ 2. To get facts; to get facts about. * /He wrote to find out about a job in Alaska./ * /She found out how much the house would cost./ 3. To discover (someone) doing wrong; catch. * /Some children are bad when no one is watching them, but they are usually found out./ * /The boy knew that if he cheated on the test the teacher would find him out./