The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity. They also have high spatial resolution, resolving incoming images in minute detail. It’s therefore not surprising that most cameras mimic this arrangement.
Forms often ask if a person is single, married, divorced, or widowed. In this context, a person who is dating someone but who has never married puts "single".
Josh put down that he was a single male on the dating website.
Wendy Doniger O'Flaherty, Wendy Doniger, Other Peoples' Myths: The Cave of Echoes (1995) p. 23. There are so many Hinduisms that no single Hindu could speak for the entire tradition.
I spent all of Monday fighting fires and didn't get a single thing done on my project.
He took the aspirin with a single swallow of water.
Meaning of single for the defined word.
Grammatically, this word "single" is an adjective, more specifically, an uncomparable adjective. It's also a noun, more specifically, a countable noun. It's also a verb.