View definitions for signal


noun as in indication; authorization

verb as in indicate; give a sign to

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Example Sentences

They would transmit sound signals through the SOFAR Channel and measure the time that it took for the waves to arrive at receivers located 10,000 kilometers away.

They can also signal the extent to which a health care system is strained and, when they start rising, provide a warning that more resources need to be marshaled quickly.

From Vox

That kind of fire growth, especially at night, that’s a climate signal for sure.

From Vox

Those signals of heart inflammation could mean that the patients had developed myocarditis, which is estimated to occur in approximately 22 out of 100,000 people annually around the world.

His studies went on to show that when we learn something new, an electrical signal fires and connects cells in different parts of the brain.

The band turned back around, raising a lively tune to signal life would go on.

Not even Radio Bemba (Cuban slang for the rumor mill) had picked up the signal.

Regardless of how the showdown ends, it does serve a very clear signal of what the political climate will be in the next Congress.

So while the poor sound quality was aggravating, it was also a signal of some weird legitimacy.

And more importantly, an Orman victory could signal a broader assault against the duopoly that controls congress.

But, when the car came thundering down, it was crammed to the step; with a melancholy gesture, the driver declined her signal.

Distances were to him as nothing; and difficulties only stimulated him to give his adversaries a more signal overthrow.

A still more signal triumph to American ingenuity was accorded on Thursday.

He knew that not only was it a signal for the closing of the city gates, but it was also a warning that bedtime was at hand.

General Pio del Pilar slept in the city every night, ready to give the rocket-signal for revolt.


On this page you'll find 173 synonyms, antonyms, and words related to signal, such as: conspicuous, momentous, noteworthy, noticeable, salient, and arresting.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.