shades
n. C / Un. a pair of sunglasses. You use this word when you want to sound more casual or cool.
n. a pair of spectacles with tinted lenses designed to protect the eyes from sunlight. Informal in register; almost exclusively used in the plural form.
Don't forget your shades; it's very bright outside.
He pulled on his shades and leaned back in the beach chair, ready for a long afternoon in the sun.
The actor attempted to maintain a low profile by wearing a wide-brimmed hat and dark shades, though his distinctive gait eventually gave him away to the waiting photographers.
Plural noun when referring to sunglasses; uncountable when referring to darkness or shadows.
I bought a new shadeI bought new shadesWhen referring to sunglasses, the word must be plural; the singular form refers to a color or a dark area.