面おも忘わすれ

noun, noun or participle which takes 'suru', intransitive verb

failure to recognize someone; forgetting a face

Refers to the situation where one cannot remember or recognize a person's face, often after a long time or a brief encounter. Can be used as a noun or with する to describe the act of failing to recognize someone.

• 久ひさしぶりに会あった同どう級きゅう生せいに面おも忘わすれされてしまった。

  A classmate I hadn't seen in a long time failed to recognize me.

• 一いち度ど会あっただけでは面おも忘わすれすることもある。

  Sometimes you may fail to recognize someone you've only met once.