淡忘

dànwàng
to gradually forget as time passes; to have (sth) fade from one's memory

CEDICT

to fade from one's memory; to be forgotten

Wiktionary

渐渐自记忆中消失。

重編國語辭典

Examples

他不久就把事情澹忘了。

By and by he forgot that affair.

Source: Tatoeba

Entry Composition

1 淡 dàn
  1. insipid
  2. diluted
  3. weak
  4. mild
  5. light in color
  6. tasteless
  7. indifferent
  8. (variant of 氮 dàn) nitrogen
2 忘 wàng
  1. to forget
  2. to overlook
  3. to neglect