Doubly Crossword Clue

 The answer to the crossword clue "Doubly" can be TWICE, TWOFOLD, or DOUBLE.

Twice means two times as much or two times as many.

Twofold means having two parts or aspects.

Double means twice as much or twice as many.

The best answer for the crossword clue will depend on the context of the clue. For example, if the clue is "Doubly insured", then the answer "Twofold" would be the most appropriate.

Here are some other possible answers to the crossword clue "Doubly":

Doubled

Multiplied by two

Twice the amount

Twice the size

I hope this helps!