double(adjective)

of twice the (usual) weight, size etc

A double whisky, please.

double(adverb)

twice

I gave her double the usual quantity.

double(noun)

a double quantity

Whatever the women earn, the men earn double.

double(verb)

to (cause to) become twice as large or numerous

He doubled his income in three years; Road accidents have doubled since 1960.

double(adjective)

two of a sort together or occurring in pairs

double doors.

double(adverb)

in two

The coat had been folded double.

double(noun)

someone who is exactly like another

He is my father's double.

double(verb)

to have two jobs or uses

This sofa doubles as a bed.

double(adjective)

consisting of two parts or layers

a double thickness of paper; a double meaning.

double(adjective)

for two people

a double bed.