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.

He doubled up in pain after twisting his ankle during the match.

When faced with criticism, the CEO doubled down on the controversial policy.

The shortstop doubled off the runner at second, ending the inning.

In the endgame, doubled pawns can become a decisive weakness if the opponent targets them.

After the exchange, White was left with a doubled pawn that weakened his position.

When the company downsized, Maria double-hatted as head of marketing and interim CFO for nearly a year.