Definition of colour-blind in English:



  • Unable to distinguish certain colours, or (rarely in humans) any colours at all.

    • ‘And sound was perhaps a more important component of that image than vision, colour-blind and short-sighted as he was.’
    • ‘A doctor of my acquaintance did not realise that he was colour-blind until he attempted to fail aircraft pilots in the RAF on colour vision tests.’
    • ‘He wanted to be a fighter pilot but failed the medical because the man with the bluest eyes in cinema is colour-blind.’
    • ‘I mean, a colour-blind person doesn't know that he's missing a few shades unless he does the tests.’
    • ‘Also, I'm colour-blind, which got us in a lot of trouble.’
    • ‘Nocturnal species can discriminate flowers at starlight intensities when humans and honeybees are colour-blind.’
    • ‘The suits are distinguished only by colour, so the cards may be difficult for colour-blind players to use.’
    • ‘Now you have to understand, my dad not only waited till the last minute to make me a costume, but was also acutely colour-blind, with the worst creative sense I've ever seen.’
    • ‘I'm red-green color-blind; I couldn't see the laser sights on the fixed turrets well enough to actually dodge them.’
    • ‘The two colours of the discs were green and red - Adam is partially colour-blind, and guess which two colours he can't tell the difference between?’
    • ‘Bulls are colour-blind, so it is yet another myth that they are enraged by red shades; they react only to the fervent cape-waving.’
    • ‘‘He may be colour-blind,’ my doctor thought out loud.’
    • ‘People can be born color-blind, or they may develop the condition over time. The most common form of color blindness is an inherited condition that affects boys much more often than girls.’