single
Not accompanied by anything else; one in number.
Example
“Can you give me a single reason not to leave right now?”
Other meanings
Not divided in parts.
“The potatoes left the spoon and landed in a single big lump on the plate.”
Designed for the use of only one.
“a single room”
Example sentences
Word history
From Latin "singulus".
Where this comes from
This definition is adapted from “single” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.