preach against (something)

preach against (something)

To give a stern, forceful warning against something. The priest preached against coveting other people's possessions. My mother always preaches against drugs and drinking, so I've never wanted to try them.
See also: preach
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

preach against someone or something

to exhort against someone or something. The evangelist preached against the operator of the town's only saloon. The principal kept preaching against drinking and drugs.
See also: preach
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also: