Set off (an alarm)

Usage examples of tripped.

When the inner beacon, unanswered, tripped the relays that set every light in the control rooms blinking in disorienting random patterns, his first thought was that he'd simply missed the outer beacon signal.

The generators, suddenly freed of their load, whirled up to over speed and circuit breakers tripped them out.

The in dignant doorman was tripped by a frantic cocker, who plunged at him from the lobby.

He might have sliced her arm off, but he tripped over the carton, giving her a head start as she raced back to his sled, stumbled into it, and hit the replay button before she slid the door closed.

Madame Flaubert whirled back to him, took a step, and tottered as her lapdog tripped her neatly.

She all but tripped over him as the wind puffed black smoke down among the rocks.

And don't comfort me with how many happy clods have obediently tripped up to the Clinic to have they minor Talents identified.

She forced her way through the press of beings to a little girl who had tripped and fallen, and was unable to get up again.

The ship seemed to lurch, as if it had tripped over something, and the lights dimmed.

I lost speed going around it and then tripped over packs that were waiting to be loaded on another cart.

An attendant, too eager to finish his assignment, tripped over the leads to a fluid tank in the now-crowded cargo hold.

Halfway there, she tripped, as usual, and went flying through the air, crashing into the table and spilling the hot coffee all over her arms and legs.

Your big thug tripped over his own feet—with a little help—and slapped himself with the stimpad he was aiming at me.

With a yelp, he tripped forward, painfully bruising his palms and knees.

And don't comfort me with how many happy clods have obediently tripped up to the Clinic to have their minor Talents identified.