a single pulsation of an oscillation produced by adding two waves of different frequencies; has a frequency equal to the difference between the two oscillations
move with a flapping motion; "The bird's wings were flapping"
wear out completely; "This kind of work exhausts me"; "I'm beat"; "He was all washed up after the exam"
move with a thrashing motion; "The bird flapped its wings"; "The eagle beat its wings and soared high into the sky"
be a mystery or bewildering to;
come out better in a competition, race, or conflict; "Agassi beat Becker in the tennis championship"; "We beat the competition"; "Harvard defeated Yale in the last football game"
glare or strike with great intensity; "The sun was beating down on us"
beat through cleverness and wit; "I beat the traffic"; "She outfoxed her competitors"
make a rhythmic sound; "Rain drummed against the windshield"; "The drums beat all night"
give a beat
physically inactive; "Crater Lake is in the crater of a dead volcano of the Cascade Range"
a time when coldness (or some other quality associated with death) is intense; "the dead of winter"
no longer having or seeming to have or expecting to have life; "the nerve is dead"; "a dead pallor"; "he was marked as a dead man by the assassin"
not showing characteristics of life especially the capacity to sustain life; no longer exerting force or having energy or heat; "Mars is a dead planet"; "dead soil"; "dead coals"; "the fire is dead"
drained of electric charge; discharged; "a dead battery"; "left the lights on and came back to find the battery drained"
complete; "came to a dead stop"; "utter seriousness"
completely and without qualification; used informally as intensifiers;
no longer having force or relevance; "a dead issue"
quickly and without warning; "he stopped suddenly"
out of use or operation be
depleted of energy, force, or strength; "impossible to grow tobacco on the exhausted soil"; "the exhausted food sources"; "exhausted oil wells"
drained of energy or effectiveness; extremely tired; completely exhausted; "the day's shopping left her exhausted"; "he went to bed dog-tired"; "was fagged and sweaty"; "the trembling of his played out limbs"; "felt completely washed-out"; "only worn-out horses and cattle"; "you look worn out"
pay out; "spend money"
spend completely; "I spend my pocket money in two days"
pass time in a specific way; "how are you spending your summer vacation?"
exhaust or get tired through overuse or great strain or stress; "We wore ourselves out on this hike"
lose interest or become bored with something or somebody; "I'm so tired of your mother and her complaints about my food"
physically and mentally fatigued; "`aweary' is archaic"
the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black)
lightness or fairness of complexion; "only the whiteness of her cheeks gave any indication of the stress from which she was suffering"
the state of being unsullied by sin or moral wrong; lacking a knowledge of evil