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"
the act of directing the eyes toward something and perceiving it visually; "he went out to have a look"; "his look was fixed on her eyes"; "he gave it a good looking at"; "his camera does his looking for him"
physical appearance; "I don't like the looks of this place"
have a certain outward or facial expression; "How does she look?"; "The child looks unhappy"; "She looked pale after the surgery"
convey by one's expression; "She looked her devotion to me"
perceive with attention; direct one's gaze towards; "She looked over the expanse of land"; "Look at your child!"; "Look--a deer in the backyard!"
give a certain impression or have a certain outward aspect; "She seems to be sleeping"; "This appears to be a very difficult problem"; "This project looks fishy"; "They appeared like people who had not eaten or slept for a long time"
accord in appearance with; "You don't look your age!"
follow a certain course; "The inauguration went well"; "how did your interview go?"
move ahead; travel onward in time or space; "We proceeded towards Washington"; "She continued in the direction of the hills"; "We are moving ahead in time now"