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| blue [ bloo ] |
adjective (comparative blu·er, superlative blu·est) |
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| Definition: |
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1. of color of sky: having or resembling the color of the sky on a cloudless day
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2. slightly purple in skin color: with the skin appearing slightly purple because of cold, bruising, or exertion
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3. biology blue-gray: describes animals and plants that are bluish or blue-gray in color
  a blue whale
a blue spruce
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4. gloomy: gloomy or melancholy
(
informal
)
feeling blue
a blue day
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5. explicit: depicting or referring to sex in an explicit or offensive way
(
informal
)
blue jokes
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6. puritanical: rigidly conservative in moral and social views
(
dated
)
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7. astronomy having blueshift: describes an astronomical object that exhibits a blueshift
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noun (plural blues) |
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| Definition: |
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1. color of sky: the color of the sky on a cloudless day. Blue is one of the three primary colors of light and pigment.
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2. blue pigment: a blue dye or pigment
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3. distance: the far distance
(
informal
)
disappeared off into the blue
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4. archery blue part of target: the blue ring on the target in archery
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5. member of Union Army: a member of the Union Army in the Civil War
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6. Union Army: the Union Army in the Civil War
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7. zoology blue butterfly: a common blue small-winged butterfly. Subfamily Plebeiinae.
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8. Oxbridge athlete: an athlete who has represented Oxford or Cambridge University in a match between the two universities, winning the right to wear the university's blue colors
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verb (past and past participle blued, present participle blue·ing or blu·ing, 3rd person present singular blues) |
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| Definition: |
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1. transitive and intransitive verb make or become blue: to make something blue, or become blue
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2. transitive verb treat something with bluing: to treat white fabrics or clothing with bluing
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| [13th century. < Old French bleu< Indo-European] |
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| blue·ness noun |
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out of the blue unexpectedly
The offer came out of the blue.
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