be (as) blind as a bat

be (as) blind as a bat

1. To be unable to see at all. After neglecting his vision for years, my grandfather became blind as a bat, unable to even see shadows.
2. To have poor vision. I've worn glasses for 20 years, so I'm as blind as a bat now. That's not a cat, it's a trashcan! Geez, you really are blind as a bat!
3. To be oblivious to something. Are you blind as a bat? Those two have been flirting all afternoon!
See also: bat, blind
Farlex Dictionary of Idioms.
See also:
  • (as) blind as a bat
  • as blind as a bat
  • blind as a bat
  • unable to go on
  • unable
  • be unable to hear (oneself) think
  • be unable to hear yourself think
  • spaced (out)
  • spacey
  • spacy