JMdict entry #1610900

1. Ichidan verbintransitive verb word usually written using kana alone to play dumb; to feign ignorance; to play innocent; to have a blank facial expression
2. Ichidan verbintransitive verb word usually written using kana alone to play the fool
3. Ichidan verbintransitive verb word usually written using kana aloneobsolete term to be in one's dotage