read up on

read up on (someone or something)

To increase one's knowledge of a person or topic by reading about them or it. I better read up on this material before I try to teach it tomorrow. The more I read up on the political candidate, the more I came to distrust him.

See also: on, read, up

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

read up on

v.

To study or learn something by reading: I read up on the places I plan to visit before I travel.

See also: on, read, up

The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.