condition of heightened watchfulness or preparation for action; "bombers were put on alert during the crisis"
very attentive or observant; "an alert and responsive baby is a joy"; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty"
(usually followed by `to') showing acute awareness; mentally perceptive; "alert to the problems"; "alive to what is going on"; "awake to the dangers of her situation"; "was now awake to the reality of his predicament"
not unconscious; especially having become conscious; "the patient is now awake and alert"
a device designed to provide additional strength; "the cardboard backing was just a strengthener"; "he used gummed reinforcements to hold the page in his notebook"
so surprisingly impressive as to stun or overwhelm; "such an enormous response was astonishing"; "an astounding achievement"; "the amount of money required was staggering"; "suffered a staggering defeat"; "the figure inside the boucle dress was stupefying"
a lamp for providing momentary light to take a photograph
a bright patch of color used for decoration or identification; "red flashes adorned the airplane"; "a flash sewn on his sleeve indicated the unit he belonged to"
a momentary brightness
a sudden brilliant understanding; "he had a flash of intuition"
a short vivid experience; "a flash of emotion swept over him"; "the flashings of pain were a warning"
a sudden intense burst of radiant energy
appear briefly; "The headlines flashed on the screen"
emit a brief burst of light; "A shooting star flashed and was gone"
make known or cause to appear with great speed; "The latest intelligence is flashed to all command posts"
protect by covering with a thin sheet of metal; "flash the roof"
expose or show briefly; "he flashed a $100 bill"
gleam or glow intermittently; "The lights were flashing"
eellike aquatic North American salamander with small forelimbs and no hind limbs; have permanent external gills
an acoustic device producing a loud often wailing sound as a signal or warning
a warning signal that is a loud wailing sound
a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived; "Odysseus ordered his crew to plug their ears so they would not hear the Siren's fatal song"
a journey or route all the way around a particular place or area; "they took an extended tour of Europe"; "we took a quick circuit of the park"; "a ten-day coach circuit of the island"
make a tour of a certain place; "We toured the Provence this summer"
a movement like that of a sudden occurrence or increase in a specified phenomenon; "a wave of settlers"; "troops advancing in waves"
a hairdo that creates undulations in the hair
the act of signaling by a movement of the hand
(physics) a movement up and down or back and forth
one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
something that rises rapidly; "a wave of emotion swept over him"; "there was a sudden wave of buying before the market closed"; "a wave of conservatism in the country led by the hard right"
a member of the women's reserve of the United States Navy; originally organized during World War II but now no longer a separate branch
a persistent and widespread unusual weather condition (especially of unusual temperatures); "a heat wave"
an undulating curve
set waves in; "she asked the hairdresser to wave her hair"
either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree
an indication that something has been present; "there wasn't a trace of evidence for the claim"; "a tincture of condescension"
a visible mark (as a footprint) left by the passage of person or animal or vehicle
a just detectable amount; "he speaks French with a trace of an accent"
follow, discover, or ascertain the course of development of something; "We must follow closely the economic development is Cuba" ; "trace the student's progress"
make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand"
copy by following the lines of the original drawing on a transparent sheet placed upon it; make a tracing of; "trace a design"; "trace a pattern"
make one's course or travel along a path; travel or pass over, around, or along; "The children traced along the edge of the dark forest"; "The women traced the pasture"
to go back over again; "we retraced the route we took last summer"; "trace your path"
discover traces of; "She traced the circumstances of her birth"