dead, deader, deadest.adjectives
having lost physical life; no longer alive; lacking.feeling or sensitivity; numb or unresponsive; not having the capacity to produce or sustain.life; barren (dead soil is soil after years of chemical fertilizers used on it; how to fix it); no longer in existence, use or operation; no longer having significance or relevance (the old issue of life by evolution or the Creator is now a dead issue); physically.inactive; dormant (a dead volcano); not circulating or running; stagnant (dead water; dead air); devoid of human or vehicular.activity; quiet (a dead town); lacking animation, excitement or activity; dull (the party being dead, we left early); having grown cold; having been extinguished (dead coals in the bar-b-que; a dead flame); out of operation because of a fault or breakdown (the starter motor is dead); sudden, abrupt (a dead stop); complete and utter (the dead silence of the country); lacking connection to a source of electric current; drained of electric charge; discharged (a dead battery)
dead.noun,.plural.deads
one who has died (respect for the dead); the period.exhibiting the greatest degree of intensity (the dead of winter; the dead of night)
dead.adverb
absolutely; altogether; directly; exactly (there's a gas station dead ahead); suddenly (she stopped dead on the stairway)
deadness.noun
dead and buried.idiom
no longer in use or under consideration (that old technology is now dead and buried); unable to function or move (the crippled ship was dead in the water) With no leadership, the project was dead in the water
dead to rights.idiom
with no chance of escape or excuse; red-handed (caught the kids dead to rights with their hands in the cookie jar; had him dead to rights for breaking the window after batting the ball)

decimal.noun,.plural.decimals
a decimal system.involves counting in units of ten (0,1,2,3,4,5,6,7,8,9,10); the decimal system uses a dot called a decimal point to represent decimal fractions which are written in the form of a dot followed by one or more numbers, where each number place represents either tenths, hundredths and so on of the whole; for example .5 (one place represents a tenth of the whole), .51 (two decimal places represents two tenths of the whole, .517 (represents three tenths, it having three decimal places after the dot}, three tenths of the whole; since decimals represent a fraction of something whole, every decimal place.indicates a multiple of a negative power of 10, negative because it's less than the whole; for example, the decimal 0.1 = 1/10, 0.12 = 12/100, 0.003 = 3/1000; if you had .25 of an apple, you would have 1/25 or one quarter of it; if you had .75 of an apple, you would have 3/4 of it and if you had eaten 
decimal.adjective
expressed or expressible as a decimal; based on 10; numbered or ordered by groups of 10
decimally.adverb

dot.noun,.plural.dots
a tiny round mark made by or as if by a pointed instrument such a a pencil or pen (a period at the end of a sentence); a spot; such a mark used in orthography, as in the letter i; in Morse and similar.codes, the short sound or signal used in combination with the dash and silent intervals to represent.letters, numbers or punctuation; in mathematics, a decimal point
Music:.in music, a mark after a note indicating an increase in time value by half
dot, dotted, dotting, dots.verbs
transitive verb use.to mark with a dot; to form or make with dots; to cover with or as if with dots (from space one can see the dots of light of most major cities)
intransitive verb use.to make a dot
on the dot.idiom
exactly at the appointed time; punctual or punctually (arrived at nine o'clock on the dot)
dotter.noun,.plural.dotters

dash, dashed, dashing, dashes.verbs
transitive verb use.to perform or complete hastily (dash off a letter; dash down a glass of juice); to add an enlivening or altering.element.to; to affect by adding another element or ingredient to (ice cream that was dashed with cherries); to destroy or wreck (plans for a weekend at the lake were dashed by the oncoming storm); to break or smash by striking.violently; to hurl, knock or thrust with suddenly; to confound; abash
intransitive verb use.to strike violently; smash; to move with haste; rush (dashed to the door)
dash.noun,.plural.dashes
a punctuation mark, like this - used in writing and printing; in Morse and similar codes, the long sound or signal used in combination with the dot and silent.intervals to represent.letters or numbers; a quick.stroke, as with a pencil or brush (gave the wall a few dashes of paint to cover over the scratches); a small amount of an added ingredient (a dash of hot pepper); a sudden movement; a rush (made a dash for the car to avoid the rain as much as possible); in sports, a footrace, usually less than a quarter-mile long, run at top speed from the outset; a spirited.quality in action or style; verve; vigor; a dashboard; a swift, violent blow or stroke (knocked the glass of water over with an impatient dash of his hand)
dashboard.noun,.plural.dashboards
a panel under the windshield of a vehicle, containing indicator dials, compartments and sometimes control instruments

dilatory.adjective
intended to delay; tending to postpone or delay (dilatory in his work habits); slow
dilatorily.adverb
dilatoriness.noun
from Middle English 'dilatorie' and 'dilatus', which is past participle of 'differre' meaning 'to delay'

dork.noun,.plural.dorks
someone who you think is or looks stupid
dorky.adjective

diss, disses, dissed, dissing.verbs
to say unkind things about someone you know; if someone disses you, they criticize you unfairly or speak to you in a way that does not show respect (he believes that his records speak for themselves and ignores those who diss him)

dirndl.noun,.plural.dirndls
a dress style with tight bodice, short full sleeves, low neck and gathered skirt; a full skirt with a tight waistband (everyone liked the presentation of songs and dances by the women and girls dressed in their beautiful dirdls); in German language 'dirndl' is short for 'Dirndlkleid', diminutive of 'Dirne' meaning 'girl' and from Old High German 'diorna' and 'Kleid' meaning 'dress'

dereliction.noun,.plural.derelictions
willful.neglect, as of duty.or.principle; the act.of.abandoning; abandonment; a state of abandonment or neglect; in law, gaining of land by the permanent.recession of the water line; the land so gained is called a dereliction
derelict.adjective
deserted by an owner or keeper; abandoned; rundown; dilapidated (a derelict old house needing too much work to bother with renovating it); neglectful of duty or obligation; remiss; negligent
derelict.noun,.plural.derelicts
abandoned property, such as a ship abandoned at sea; relinquish; a homeless person; a vagrant; in law, land left dry by a permanent recession of the water line; from Latin 'derelictus', a past participle of 'derelinquere' meaning 'to abandon', 'de- + relinquere' meaning 'to leave behind'

deep, deeper, deepest.adjectives
extending.far.downward.below.a.surface (a deep hole in the river ice); extending far inward from an outer surface (a deep cut in the snow); far distant down or in (the cabin was deep in the woods; a deep sigh); in sports, located or taking place near the outer boundaries of the area of play (deep left field); extending a specific distance in a given direction (snow four feet deep); absorbed or involved (deep in thought; deep in her studies); rich and intense in shade (a deep red color); low in pitch; resonant (a deep voice)
deep.adverb
to a great depth; deeply (dig deep; feelings that run deep)
deep.noun,.plural.deeps
a deep place in land or in a body of water (we all made it to shore but the boat was lost in the deep of the river); a vast, immeasurable.extent (the deep of outer space); the most intense or extreme part (the deep of night); the ocean is also known as the deep
deeply.adverb
deepness.noun
deep down.idiom
at bottom; basically (deep down, she was still a very kind person) 

depth.noun,.plural.depths
the condition.or.quality.of.being deep; the extent, measurement or dimension.downward, backward.or.inward (dove to a depth of 30 feet; shelves with enough depth to store the large boxes); a deep part or place (the ocean depths; in the depths of the forest); the range of one's understanding or competence (she's out of her depth when it comes to gardening, but she sure can cook a tasty meal); the degree of richness or intensity (depth of color); lowness in pitch; complete detail; thoroughness (the depth of her research)
in-depth.adjective.also used as.in depth
detailed; thorough; comprehensively; thoroughly executed.or.implemented (an in-depth study)