Translation

だます / 思い込ませる / 惑わせる

Meaning

Delude means to make someone believe something false, especially by giving them a mistaken hope or a false view of reality. It often appears as delude yourself. The learner trap is confusing delude with dilute, which means make weaker.

Examples

• 彼は自分が簡単に勝てると思い込んでいました。
  He deluded himself into thinking he could win easily.
• その広告は顧客にすぐ効果が出ると誤信させました。
  The advertisement deluded customers into expecting instant results.