Definition of practise what one preaches in English:

practise what one preaches

Do what one advises others to do.
More example sentences
  • Please practise what you preach or we will give you the boot!
  • If you are going to stand around and preach your morals to everyone, try practicing what you preach.
  • I guess there is one thing in being a critic, and a whole new ballgame when it come to practicing what you preach.
See parent entry: practise

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