discourage

Verb
  1. Try to prevent;
    Show opposition to (synset 200910052)
    "We should discourage this practice among our youth"
  2. Deprive of courage or hope;
    Take away hope from;
    Cause to feel discouraged (synset 201823114)
  3. Advise or counsel in terms of someone's behavior (synset 200872241)
    "I warned him not to go too far"; "I warn you against false assumptions"; "She warned him to be quiet"

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