D-E Flashcards
dogged
what he lacks in natural talent he makes up for in dogged spirit: tenacious, determined, resolute, resolved, purposeful, persistent, persevering, single-minded, tireless; strong-willed, steadfast, staunch; formal pertinacious. ANTONYMS halfhearted.
doldrums
a state or period of inactivity, stagnation, or depression: the mortgage market has been in the doldrums for three years.
• an equatorial region of the Atlantic Ocean with calms, sudden storms, and light unpredictable winds.
dolefully
expressing sorrow; mournful: a doleful look.
• causing grief or misfortune: doleful consequences.
domain
1 they extended their domain: realm, kingdom, empire, dominion, province, territory, land.
2 the domain of art: field, area, sphere, discipline, province, world.
Doppler effect
an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other. The effect causes the sudden change in pitch noticeable in a passing siren, as well as the redshift seen by astronomers.
Watch animation on wikipedia
dowdy
dowdy frocks and an unappealing hairstyle: unfashionable, frumpy, old-fashioned, outmoded, out-of-date, inelegant, shabby, frowzy. ANTONYMS fashionable.
down
adjective
1 I’m feeling a bit down: depressed, sad, unhappy, melancholy, miserable, wretched, sorrowful,
adverb
1 they went down in the elevator: toward a lower position, downward, downstairs. ANTONYMS up.
2 she fell down: to the ground, to the floor, over. ANTONYMS up.
drip line
refer wikipedia
drogue
a device, typically conical or funnel-shaped with open ends, towed behind a boat, aircraft, or other moving object to reduce speed or improve stability.
drone
verb
1 a plane droned overhead: hum, buzz, whirr, vibrate, murmur, rumble, purr.
2 he droned on about right and wrong: speak boringly, go on and on, talk at length; intone, pontificate; informal spout, sound off, jaw, spiel, speechify.
noun
1 the drone of aircraft taking off: hum, buzz, whirr, vibration, murmur, purr.
2 drones supported by taxpayers’ money: hanger-on, parasite, leech, passenger, bottom feeder; idler, loafer, layabout, good-for-nothing, do-nothing; informal lazybones, scrounger, sponger, freeloader, slacker.
due process
fair treatment through the normal judicial system, esp. as a citizen’s entitlement.
duplex
a house divided into two apartments, with a separate entrance for each.
• an apartment on two floors.
dyslexia
other symbols, but that do not affect general intelligence.
dyspeptic
he never became the dyspeptic old man his father had been: bad-tempered, short-tempered, irritable, snappish, testy, tetchy, touchy, crabby, crotchety, grouchy, cantankerous, peevish, cross, disagreeable, waspish, prickly; informal on a short fuse, cranky, ornery
dystopia
an imagined place or state in which everything is unpleasant or bad, typically a totalitarian or environmentally degraded one. Compare with Utopia.
earthy
1 an earthy smell: soil-like, dirtlike.
2 she was a simple, earthy girl: down-to-earth, unsophisticated, unrefined, simple, plain, unpretentious, natural.
3 Emma’s earthy language: bawdy, ribald, off-color, racy, rude, vulgar, lewd, crude, foul, coarse, uncouth, unseemly, indelicate, indecent, obscene; informal blue, locker-room, barnyard.
ebb
verb
1 the tide ebbed: recede, go out, retreat, flow back, fall back/away, subside. ANTONYMS come in.
2 his courage began to ebb: diminish, dwindle, wane, fade away, peter out, decline, flag, let up, decrease, weaken, disappear. ANTONYMS increase, intensify.
noun
1 the ebb of the tide: receding, retreat, subsiding.
2 the ebb of the fighting: abatement, subsiding, easing, dying down, de-escalation, decrease, decline, diminution.
ebullient
in an ebullient mood: exuberant, buoyant, cheerful, joyful, cheery, merry, jolly, sunny, jaunty, lighthearted, elated; animated, sparkling, vivacious, irrepressible; informal bubbly, bouncy, peppy, upbeat, chirpy, smiley, full of beans; dated gay. ANTONYMS depressed.
ecology
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
ecosystem
a biological community of interacting organisms and their physical environment.