adjective

double

[adj] twice as much, having two parts, [n] a person who looks exactly like another, [v] to make or become twice as much

I'd like a double room, please.

I'd like a double room, please.

He is the double of his father.

He is the double of his father.

The company wants to double its profits.

The company wants to double its profits.

My number is double two, double three.

My number is two two, three three.

double ((noun)) twice the usual size, amount, or strength I'd like a double room, please.

the double of ((sb.)) a person who looks exactly like somebody else He is the double of his father.

to double ((sth.)) to become or make something twice as much or as many The company wants to double its profits.

[adj] twofold; [n] lookalike, doppelgänger; [v] increase twofold

From Latin 'duplus' (twofold), from 'duo' (two) + '-plus' (-fold).

Always relates to the number two. A double bed is for two people. To double your money is to get twice as much.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.