失しつ語ご

noun, noun or participle which takes 'suru'

aphasia; loss of speech; word-finding difficulty

Medical/linguistic term for a condition where a person has difficulty speaking or finding words, often due to brain injury. Can also refer to a temporary inability to recall a word.

• 脳のう卒そっ中ちゅうで失しつ語ご症しょうになった。

  He developed aphasia after a stroke.

• 緊きん張ちょうして一いっ瞬しゅん失しつ語ごした。

  I was so nervous that I momentarily couldn't find the words.