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Colour-Blind: Meaning, Types, and Usage Guide (2 meaning)
Meaning 1：unable to distinguish colors (colour-blind)
colour-blind
/ˈkʌlər blaɪnd/
adj.
A person who is colour-blind cannot tell the difference between certain colors, especially red and green.
unable to distinguish colors
➕
/ʌnˈeɪbəl tə dɪˈstɪŋɡwɪʃ ˈkʌlərz/
adj.
A person who is colour-blind cannot tell the difference between certain colors, especially red and green.
📘 Details & Usage
📖 Root Explanation
Combination of 'colour' (visual perception) + 'blind' (unable to see).
💡 Mnemonic
Imagine a grey world where red and green look the same—that's colour-blind.
📖 Example
He found out he was colour-blind when he couldn't match his socks properly because they all looked grey to him.
He discovered he was colour-blind when his socks all appeared grey to him and he could not match them correctly.
🔗 Collocations
colour-blind person – An individual with colour vision deficiency.
colour-blindness test – A diagnostic test for colour vision deficiency, often using Ishihara plates.
be colour-blind to red and green – Unable to differentiate between red and green colours.
🔄 Synonyms
color blind (adj.) – Same as colour-blind, unable to distinguish certain colours.
daltonian (adj.) – Relating to colour blindness, named after John Dalton.
colour deficient (adj.) – Having a reduced ability to see colours.
🚫 Antonyms
normal-sighted (adj.) – Able to see colours normally.
colour-normal (adj.) – Having typical colour vision.
🌱 Derivatives
colour-blindness (n.) – The condition of being colour-blind.
colour-blindly (adv.) – In a colour-blind manner.
📖 Cultural Story
The term 'colour-blind' was popularized in the 19th century. Also called Daltonism after John Dalton, who first described his own red-green deficiency in 1798.
Meaning 2：race-blind (colour-blind)
colour-blind
/ˈkʌlər blaɪnd/
adj.
Treating people equally without considering their race or skin color, as if you don't notice these differences.
race-blind
➕
/reɪs blaɪnd/
adj.
Treating people equally without considering their race or skin colour, as if you don't notice these differences.
📘 Details & Usage
📖 Example
The company promotes a colour-blind hiring policy, focusing only on a candidate's skills and character.
The company's hiring policy is colour-blind, meaning it only looks at a candidate's skills and character, not their race.
🔗 Collocations
colour-blind policy – A policy that ignores race in decision-making.
colour-blind approach – An attitude of not taking race into account.
colour-blind society – A society that does not discriminate based on skin colour.
🔄 Synonyms
race-neutral (adj.) – Not taking race into consideration.
non-discriminatory (adj.) – Treating all people equally without prejudice.
equal-opportunity (adj.) – Providing the same chances for everyone regardless of race.
🚫 Antonyms
race-conscious (adj.) – Taking race into account, often in affirmative action policies.
discriminatory (adj.) – Treating people unfairly based on race.
Wordbook
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