ENGLISH
REFERENCE

red

n. · adj. · interj.
US //ˈɹɛd// UK //ɹˈɛd// red
  1. 1 the color (n.)
    A1 Beginner

    the color of things like blood, fire engines, or strawberries.

    the color evoked by the longest visible wavelengths of light, typically between 625 and 740 nanometers.

    Example

    The bright red of the roses looked beautiful against the green grass.

    Example

    The artist used a deep, saturated red to draw the viewer's eye toward the central figure in the composition.

  2. 2 politics (n.)
    B2 Upper Intermediate Informal Politics

    a person who supports communism or very left-wing political ideas.

    a person who holds revolutionary socialist or communist views; often capitalized when referring to historical movements.

    Example

    During the revolution, he was known as a committed red.

    Example

    The political tensions of the era led to a widespread fear of reds infiltrating the government bureaucracy.

Show 6 more sensesShow fewer
  1. 3 wine (n.)
    A2 Elementary

    a glass or bottle of red wine.

    a variety of wine made from dark-colored grape varieties, typically served at room temperature.

    Example

    Would you like a glass of red with your steak?

    Example

    The sommelier recommended a full-bodied red to complement the rich flavors of the venison.

  2. 4 color of an object (adj.)
    A1 Beginner

    having the color of blood or fire.

    possessing a hue that resembles the color of blood or the lower end of the visible spectrum.

    Example

    She wore a red dress to the party so she would stand out.

    Example

    The red warning light began to flash, indicating that the engine was rapidly overheating.

  3. 5 hair color (adj.)
    A2 Elementary

    having hair that is orange, ginger, or reddish-brown.

    describing hair that has a natural orange-brown or copper-toned pigment.

    Example

    He has bright red hair and lots of freckles on his face.

    Example

    The genetic trait for red hair is relatively rare in the global population, though more common in certain northern European regions.

  4. 6 flushed face (adj.)
    B1 Intermediate

    having a face that looks pink or dark because you are embarrassed, angry, or hot.

    exhibiting a flushed or rubicund complexion due to physiological factors such as vasodilation or emotional stress.

    Example

    His face turned red when he realized he had made a mistake.

    Example

    After the intense workout, her face remained red for nearly an hour as her body temperature gradually returned to normal.

  5. 7 US politics (adj.)
    B2 Upper Intermediate American English Politics

    related to the Republican Party in the United States.

    denoting a state or region in the United States that predominantly votes for the Republican Party.

    Example

    Texas is traditionally considered a red state in presidential elections.

    Example

    Political analysts spent the evening discussing whether the traditionally red district might flip to the opposition.

  6. 8 safety stop (interj.)
    C1 Advanced Informal

    a word used to tell someone to stop what they are doing immediately, often for safety.

    a signal used to demand an immediate cessation of activity, particularly in high-risk or consensual contexts.

    Example

    We agreed to say 'red' if the game became too rough.

    Example

    The participants established a 'red' safe word to ensure that the exercise could be terminated instantly if anyone felt uncomfortable.

Etymology 1

From Middle English red, from Old English rēad, from Proto-West Germanic raud, from Proto-Germanic raudaz from Proto-Indo-European h₁rowdʰós, from the root h₁rewdʰ-. Cognates See also West Frisian read, Low German root, rood, rot, rod, Dutch rood, German rot, Danish and Norwegian Bokmål rød, Norwegian Nynorsk raud; also Welsh rhudd, Latin ruber, rufus, Tocharian A rtär, Tocharian B ratre, Ancient Greek ἐρυθρός (eruthrós), Albanian pruth (“redhead”), Russian ру́дый (rúdyj) ("red", "redhaired"). Czech rudý, Lithuanian raúdas, Finnish rauta, Estonian raud, Serbo-Croatian riđ ("reddish", "red"), Avestan 𐬭𐬀𐬊𐬌𐬛𐬌𐬙𐬀 (raoidita), Sanskrit रुधिर (rudhirá, “red, bloody”).

Etymology 2

From the archaic verb rede.

Word family
Idioms20 entries

© 2026 English Reference