In the days when there was enough room around the engine to see the ground below, the engineer alone ruled the space under the hood.

William continued to rule alone after his wife's death.

The Tories might want to rule alone, but they are not likely to.

But his Government does not rule by terror alone.

Fay had returned to her kingdom, where she alone ruled.

But a president can't rule by heroic example alone; he must build and lead a team.

In 1629, he dismissed parliament and resolved to rule alone.

In 1553, his brother stepped down and Albert ruled alone.

Truly he was a king who ruled by his word alone.

From that time, Otto ruled alone until his own death.