ask (for something); "He applied for a leave of absence"; "She applied for college"; "apply for a job"
refer (a word or name) to a person or thing; "He applied this racial slur to me!"
apply oneself to; "Please apply yourself to your homework"
be pertinent or relevant or applicable; "The same laws apply to you!"; "This theory holds for all irrational numbers"; "The same rules go for everyone"
a device that signals the occurrence of some undesirable event
an automatic signal (usually a sound) warning of danger
fear resulting from the awareness of danger
warn or arouse to a sense of danger or call to a state of preparedness; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"
anything indispensable; "food and shelter are necessities of life"; "the essentials of the good life"; "allow farmers to buy their requirements under favorable conditions"; "a place where the requisites of water fuel and fodder can be obtained"