Definitions
1.nounDarkness where light, particularly sunlight, is blocked."The old oak tree gave shade in the heat of the day."
2.nounSomething that blocks light, particularly in a window."Close the shade, please: it's too bright in here."
3.nounA variety of a colour/color, in particular one obtained by adding black (compare tint)."I've painted my room in five lovely shades of pink and chartreuse."
4.nounA subtle variation in a concept."shades of meaning"
5.nounAn aspect that is reminiscent of something."shades of Groucho"
6.nounA very small degree of a quantity, or variety of meaning
7.nounA ghost or specter; a spirit."The adventurer was attacked by a shade."
8.nounA postage stamp showing an obvious difference in colour/color to the original printing and needing a separate catalogue/catalog entry.
9.noun(originally gay slang) Subtle insults."Why did you paint your room chartreuse? No shade; I'm genuinely curious."