day·bed noun : a couch that can be converted into a bed

day·book noun : DIARY, JOURNAL

day·break noun : the first appearance of light in the morning followed by sunrise : DAWN

day care noun : supervision of and care for children or disabled adults provided during the day; also : a program offering day care

day·dream noun : a pleasant reverie

— daydream verb

Synonyms

chimera, conceit, delusion, dream, fancy, fantasy, figment, hallucination, illusion, phantasm, pipe dream, unreality, vision—more at FANTASY

day·light noun 1 : the light of day

2 : the time during which there is daylight : DAYTIME

3 : the first appearance of light in the morning followed by sunrise : DAWN

4 : understanding of something that has been obscure

5 plural : CONSCIOUSNESS; also : WITS

6 : a perceptible space, gap, or difference

daylight saving time noun : time usu. one hour ahead of standard time

Day of Atonement : YOM KIPPUR

day school noun : a private school without boarding facilities

day student noun : a student who attends regular classes at a college or preparatory school but does not live there

day·time noun : the period of daylight

1daze verb dazed; daz·ing 1 : to stupefy esp. by a blow

2 : to dazzle with light : DAZZLE

— da·zed·ly adverb

2daze noun : the state of being dazed

Synonyms

fog, haze, muddle, spin—more at HAZE

1dazzle verb daz·zled; daz·zling 1 : to overpower with light

2 : to impress greatly or confound with brilliance

Synonyms

daze; also confuse, overpower, overwhelm, stun

2dazzle noun : the action of dazzling

Synonyms

brilliance, effulgence, illumination, lightness, lucidity, luminosity, radiance, refulgence, splendor—more at BRILLIANCE

dB abbreviation decibel

Db symbol dubnium

d/b/a abbreviation doing business as

dbl or dble abbreviation double

DC abbreviation 1 [ORIGIN It da capo] from the beginning

2 direct current

3 District of Columbia

4 doctor of chiropractic

DD abbreviation 1 days after date

2 demand draft

3 dishonorable discharge

4 doctor of divinity

D–day noun [ORIGIN: D, abbr. for day]

: a day set for launching an operation (as an invasion)

DDS abbreviation doctor of dental surgery

DDT noun : a persistent insecticide poisonous to many higher animals

DE abbreviation Delaware

dea·con noun [ORIGIN: ME dekene, fr. OE dēacon, fr. LL diaconus, fr. Gk diakonos, lit., servant]

: a subordinate officer in a Christian church

dea·con·ess noun : a woman chosen to assist in the church ministry

de·ac·ti·vate verb : to make inactive or ineffective

1dead adjective 1 : deprived of life : LIFELESS

2 : having the appearance of death : DEATHLIKE

3 : lacking power to move, feel, or respond : NUMB

4 : very tired

5 : UNRESPONSIVE

6 : EXTINGUISHED <~ coals>

7 : INANIMATE, INERT

8 : no longer active or functioning

9 : lacking power, significance, or effect

10 : no longer in use

11 : lacking in gaiety or animation

12 : QUIET, IDLE, UNPRODUCTIVE <~ capital>

13 : lacking elasticity

14 : not circulating : STAGNANT <~ air>

15 : lacking warmth, vigor, or taste <~ wine>

16 : absolutely uniform <~ level>

17 : UNERRING, EXACT

18 : ABRUPT

19 : having no exceptions or restrictions : COMPLETE

Synonyms

[1] breathless, deceased, defunct, gone, late, lifeless; also extinct; dying, fading, moribund; stillborn; finished, lapsed, terminated; barren, desert; inanimate, insensate, nonliving

Antonyms

alive, breathing, living

[4] beat, bushed, drained, effete, jaded, limp, prostrate, spent, tired, weary, worn-out—more at WEARY

[8] dormant, fallow, free, idle, inactive, inert, inoperative, latent, off, vacant—more at INACTIVE

[10] bygone, defunct, extinct, gone—more at EXTINCT

2dead noun, plural dead 1 : one that is dead — usu. used collectively

2 : the time of greatest