When the base alarm sounded, the sergeant barked, 'Move at the double!' and the recruits sprinted toward the gates.

The doubleness of his identity left him feeling divided and uncertain.

The novel explores the characters' doublenesses, revealing conflicting desires and secret identities.

They installed double doors to improve the flow between rooms.

The editor removed the back-doubles from the manuscript to avoid awkward repetition.

The director insisted on hiring body doubles for the dangerous rooftop scenes.

The director praised the stunt doubles for their precise timing and fearless commitment.

B-doubles are restricted from entering the city center during peak hours to reduce congestion.

She doubles up the map to fit it back into her pocket.

When critics question his strategy, the CEO doubles down on the original plan.