as blind as a bat

Seeing absolutely nothing

Describing someone who sees very poorly or nothing at all: Without my glasses, I'm as blind as a bat.

The phrase is ironic—bats navigate expertly using echolocation, though their eyesight is genuinely weak.

Often shortened to blind as a bat.

vision

sightless

Unable to perceive visually

nearsighted · squinting · groping · fumbling · stumbling · disoriented · blurry · unfocused · dim-sighted · purblind

oblivious

unaware

Lacking knowledge of something

inattentive · undiscerning · unperceptive · ignorant · heedless · unmindful · neglectful · incognizant · unenlightened · uninformed

nocturnal

bat

Flying mammal or sports club

cave · sonar · wings · roosting · twilight · dusk · nocturnal · crepuscular · hanging · guano

Categories
Opposites
visual acuity

as blind as a bateagle-eyed

Exceptionally sharp of vision

hawk-eyed · lynx-eyed · sharp-eyed · 20/20 vision · clear-sighted

awareness/perception

as blind as a batobservant

Noticing things readily

perceptive · sharp · alert · vigilant · keen

Family

blind, blindness, blinds, blinding, blinded, blindly, blindfold, batlike

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G