double

adjective
doub·le
/ˈdʌb.əl/

Made up of two matching or complementary elements.

Example

“The closet has double doors.”

Other meanings

Of twice the quantity.
“Give me a double serving of mashed potatoes.”
Of a family relationship, related on both the maternal and paternal sides of a family.
“He's my double cousin as my mother's sister married my father's brother.”

Example sentences

“I'd like to stay in a double room.”
Tatoeba · Igider · CC0
“You should go back and double check.”
Tatoeba · ddnktr · CC0
“The double standard is impossible to ignore.”
Tatoeba · shekitten · CC0

Word history

From Latin "duplus" (twofold).

Where this comes from

This definition is adapted from “double” 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.