Third-person singular simple present indicative form of alert.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "alerts" in a sentence
"Another example is cross app pollination which fb has tried to kill several times i.e. I give one app permission and they sneak in alerts from another app they want you to add into the stream alerts from the one you added."
"A number of poems can usefully be thought of as miniature sonnets: the term alerts us to all the connectedness with which the simple outlines are inlaid, and to the work's musical, "sounded" quality."
"As the title alerts, The Walls is a series of images of grey concrete walls surrounding homes in Kiarostami's native Iran; walls he appears to treat as found paintings."