Green

UK: 'green', 'Green': /ˈɡriːn/

US: /grin/

US: 'green', 'Green': (grēn)

Inflections of 'green' (adj):

greener

adj comparative

greenest

adj superlative

Collins Concise English Dictionary © HarperCollins Publishers::

Green / ɡriːn/ noun

1. Henry, real name Henry Vincent Yorke. 1905–73, British novelist: author of Living (1929), Loving (1945), and Back (1946)
2. John Richard. 1837–83, British historian; author of A Short History of the English People (1874)
3. T(homas) H(ill). 1836–82, British idealist philosopher. His chief work, Prolegomena to Ethics, was unfinished at his death

WordReference Random House Learner's Dictionary of American English © 2026

green /grin/   adj., -er, -est, n. 
adj. 

1. of the color of growing plants, between yellow and blue:
   green leaves.
2. covered with growing plants or foliage:
   green fields.
3. consisting of green, usually leafy vegetables, as lettuce, spinach, or chicory:
   [usually: before a noun] a green salad.
4. not fully developed or matured;
   unripe:
   green fruit.
5. immature in age or judgment;
   inexperienced:
   green recruits.
6. having a sickly or pale appearance:
   to turn green with nausea.
7. Ecology, advocating or promoting environmentalism:
   [before a noun* often: Green] a green political party.

n. 

8. Physics a color between yellow and blue, found in nature as the color of most grasses and leaves while growing:
   [uncountable] The room was painted in green.
   [countable] The room was painted a pale green.
9. greens, [plural]
   • Food the leaves and stems of certain plants, as spinach, kale, or lettuce, eaten as a vegetable.
   • fresh leaves or branches of evergreen trees:
     a room decorated with Christmas greens.
10. [countable] grassy land;
    a plot of grassy ground, esp. in the center of a town.
11. Sport [countable] Also called putting green. the area of closely cut grass surrounding each hole on a golf course.
12. Slang Terms [uncountable* usually: the + ~] money.

Idioms

13. Idioms green with envy, [be + ~] extremely jealous.

green•ish, adj. 
green•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2026

green  (grēn), adj., -er, -est, n., v. 
adj. 

1. of the color of growing foliage, between yellow and blue in the spectrum:
   green leaves.
2. covered with herbage or foliage;
   verdant:
   green fields.
3. characterized by the presence of verdure.
4. made of green vegetables, as lettuce, spinach, endive, or chicory:
   a green salad.
5. not fully developed or perfected in growth or condition;
   unripe;
   not properly aged:
   This peach is still green.
6. unseasoned;
   not dried or cured:
   green lumber.
7. immature in age or judgment;
   untrained;
   inexperienced:
   a green worker.
8. simple;
   unsophisticated;
   gullible;
   easily fooled.
9. fresh, recent, or new:
   an insult still green in his mind.
10. having a sickly appearance;
    pale;
    wan:
    green with fear; green with envy.
11. full of life and vigor;
    young:
    a man ripe in years but green in heart.
12. environmentally sound or beneficial:
    green computers.
13. Wine (of wine) having a flavor that is raw, harsh, and acid, due esp. to a lack of maturity.
14. freshly slaughtered or still raw:
    green meat.
15. not fired, as bricks or pottery.
16. (of cement or mortar) freshly set and not completely hardened.
17. [Foundry.]
    • Metallurgy (of sand) sufficiently moist to form a compact lining for a mold without further treatment.
    • Metallurgy (of a casting) as it comes from the mold.
    • Metallurgy (of a powder, in powder metallurgy) unsintered.

n. 

18. Physics a color intermediate in the spectrum between yellow and blue, an effect of light with a wavelength between 500 and 570 nm;
    found in nature as the color of most grasses and leaves while growing, of some fruits while ripening, and of the sea.
19. Fine Art [Art.] a secondary color that has been formed by the mixture of blue and yellow pigments.
20. green coloring matter, as paint or dye.
21. green material or clothing:
    to be dressed in green.
22. greens:
    • fresh leaves or branches of trees, shrubs, etc., used for decoration;
      wreaths.
    • Food the leaves and stems of plants, as spinach, lettuce, or cabbage, used for food.
    • Military a blue-green uniform of the U.S. Army.
23. grassy land;
    a plot of grassy ground.
24. a piece of grassy ground constituting a town or village common.
25. Sport Also called putting green. [Golf.] the area of closely cropped grass surrounding each hole.
26. Sport See bowling green. 
27. Sport a shooting range for archery.
28. Informal Terms See green light (def. 1).
29. Slang Terms money;
    greenbacks (usually prec. by the):
    I'd like to buy a new car but I don't have the green.
30. Government (cap.) a member of the Green party (in Germany).
31. Sport, Idioms read the green, to inspect a golf green, analyzing its slope and surface, so as to determine the difficulties to be encountered when putting.

v.i., v.t. 

32. to become or make green.
33. Informal Terms to restore the vitality of:
    Younger executives are greening corporate managements.

• bef. 900; Middle English, Old English grēne; cognate with German grün; akin to grow

green′age, n. 
green′ly, adv. 

Green  (grēn), n. 

1. Biographical Henrietta Howland Robinson ("Hetty''), 1835–1916, U.S. financier.
2. Biographical Henry (Henry Vincent Yorke), 1905–73, English novelist.
3. Biographical John Richard, 1837–83, English historian.
4. Biographical Julian, born 1900, U.S. writer.
5. Biographical Paul Eliot, 1894–1981, U.S. playwright, novelist, and teacher.
6. Biographical William, 1873–1952, U.S. labor leader: president of the A.F.L. 1924–52.
7. Place Names a river flowing S from W Wyoming to join the Colorado River in SE Utah. 730 mi. (1175 km) long.

green, +adj. 

1. Ecology,
   • environmentally sound or beneficial:
     green computers.

Collins Concise English Dictionary © HarperCollins Publishers::

green / ɡriːn/ noun

1. any of a group of colours, such as that of fresh grass, that lie between yellow and blue in the visible spectrum in the wavelength range 575–500 nanometres. Green is the complementary colour of magenta and with red and blue forms a set of primary colours
   Related adjective(s): verdant
2. a dye or pigment of or producing these colours
3. something of the colour green
4. a small area of grassland, esp in the centre of a village
5. an area of ground used for a purpose: a putting green
6. (plural) the edible leaves and stems of certain plants, eaten as a vegetable
7. freshly cut branches of ornamental trees, shrubs, etc, used as a decoration
8. (sometimes capital) a person, esp a politician, who supports environmentalist issues (see sense 13)

adjective

1. of the colour green
2. greenish in colour or having parts or marks that are greenish
3. (sometimes capital) concerned with or relating to conservation of the world's natural resources and improvement of the environment
4. vigorous; not faded: a green old age
5. envious or jealous
6. immature, unsophisticated, or gullible
7. characterized by foliage or green plants: a green wood, a green salad
8. fresh, raw, or unripe: green bananas
9. unhealthily pale in appearance: he was green after his boat trip
10. denoting a unit of account that is adjusted in accordance with fluctuations between the currencies of the EU nations and is used to make payments to agricultural producers within the EU: green pound
11. (of meat) not smoked or cured; unprocessed: green bacon
12. (of timber) freshly felled; not dried or seasoned

verb

1. to make or become green

Etymology: Old English grēne; related to Old High German gruoni; see grow

ˈgreenish adjective

ˈgreenly adverb

ˈgreenness noun

ˈgreeny adjective