From Longman Dictionary of Contemporary Englishblueblue1 /bluː/ ●●● S1 W2 adjective 1 COLOURCChaving the colour of the sky or the sea on a fine day → navy, navy blue the blue waters of the lakedark/light/pale/bright blue a dark blue raincoat2 SAD[not before noun] informalSAD/UNHAPPY sad and without hope SYN depressed I’ve been feeling kind of blue.3 SEXY informal blue jokes, stories etc are about sex, in a way that might offend some people → blue movie4 → argue/talk etc till you’re blue in the face5 → blue with cold6 → go blue7 → talk a blue streak —blueness noun [uncountable] → black and blue, → once in a blue moon at once1(15), → scream blue murder at scream1(1)
Examples from the Corpus
blue• Thousands of fertilized sea urchin eggs, starfish and blue clams returned to Earth with the astronauts.• Inside this box, the hot, red upwellings of the mantle moved past cold, blue downwellings.• Carrie's bright blue eyes mirrored her good health and she hummed happily to herself as she brushed down her best coat.• Her jokes are too blue for most audiences.• The man who shot Richard had grey hair and was wearing a black leather jacket, a blue jumper and jeans.• blue language• There are blue laws and blue movies.• I found the kids watching a blue movie on the video last night.• Quills of blue smoke rose out of the swinging ball.• a dark blue sweaterdark/light/pale/bright blue• Just like the familiar bedding forget-me-not, but perennial and with softer hairless leaves. Bright blue.• Not boring white or dark blue broadcloth, but in an explosion of colors and fabrics, from stretch denim to corduroy.• Behind the mask of her dark blue eyes lurked horror and shock, perhaps even guilt.• Already the moon was up, a full moon bathing everything in a pale blue light.• It is divided horizontally by color with bright blue on the head and back and yellow on the stomach and tail.• There he saw a dark green car near the entrance with a light blue one behind it.• But he had no trouble with the light blue ribbons.• We dressed him in his best dark blue suit, light blue shirt and red tie.blueblue2 ●●● S3 W3 noun 1 [countable, uncountable]CC the colour of the sky or the sea on a fine day She nearly always dresses in blue. the rich greens and blues of the tapestry2 → blues3 → the blues4 → out of the blue5 → Blue6 → the blueExamples from the Corpus
blue• Expect thunder, expect lightning, expect country and blues and rock and expect him to offer the unexpected, too.• On the other hand, blue and green are subdued and bring calm to a garden.• Carolyn's the one dressed in blue.• From the heart of a large flat pebble-shaped stone he has revealed two fishes in brilliant, iridescent blues.• His eyes are a washed-out blue.• He saw a woman in the rich blue of a nursing uniform at the wheel.• I especially like the rich blues and reds of the painting.• Come to think of it, Columbia wouldn't have been around if it hadn't been for the blues.• The elegant spring spires of delphiniums are perhaps the truest of the blues.• These good ole boys could turn the blues into a rainbow.BlueBlue[countable] British EnglishSEC someone who has represented Oxford or Cambridge University at a sport, or the title given to such a person → blueOrigin blue1 (1200-1300) Old French blou 