signal

The traffic light turned red, signaling us to stop.

She waved her hand as a signal for us to come closer.

The alarm clock rang, signaling the start of a new day.

A loud noise can be a signal of danger.

The captain used a flag to signal to the crew.

Her frown was a signal that she was unhappy.

The sudden drop in temperature is a signal that winter is coming.

He raised his hand as a signal for silence.

The teacher's nod was a signal of approval.

The company's poor performance is a signal of potential financial trouble.

Can you lock out the signals that elicit depression?

Hillary Schulman, the author of the study, asserts that specialized words are a signal.

Directions are communicated with clear visual signals.

Mrs. Wilkerson was giving me the distress signal.

Signal after signal turned out to be false.

Every dog breed is intelligent, and they understand hand signals.

Well, Pope Francis has sent mixed signals.

So, you really want these clear signals.

A bear market doesn't always signal a severe economic downturn.

So scientists are encoding these signals into robots.