What does the word infect mean?

Usage examples for infect

  1. That the foolish creature should penetrate into Mrs. Fisher's very mind and establish her personality there, the personality which was still, in spite of the harmony apparently existing between her and her intelligent husband, so alien to Mrs. Fisher's own, so far removed from what she understood and liked, and infect her with her undesirable phrases, was most disturbing. – The Enchanted April by Elizabeth von Arnim
  2. But you mustn't let Loring's nervousness infect you. – The Grafters by Francis Lynde
  3. The rector's self- consciousness began to infect the other, sowing in his mind he knew not what suspicions. – The New Rector by Stanley J. Weyman
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