A series of mental images and emotions occurring during sleep:
— I had a dream about you last night.

synonym: dreaming.

Roget 515: imagination; originality; invention; fancy; inspiration; verve.    warm imagination, heated imagination, excited imagination, sanguine imagination, ardent imagination, fiery imagination, boiling imagination, wild imagination, bold imagination, daring imagination, playful imagination, lively imagination, fertile imagination, fancy.    mind's eye;" such stuff as dreams are made of" [Tempest]. ideality, idealism; romanticism, utopianism, castle-building.    dreaming; phrensy^†, frenzy; ecstasy, extasy^†; calenture etc. (delirium) 503^†; reverie, trance; day dream, golden dream; somnambulism.    conception, Vorstellung [G.], excogitation^†, a fine frenzy;" cloudland^†, dreamland; flight of fancy, fumes of fancy; thick coming fancies" [Macbeth]; creation of the brain, coinage of the brain; imagery.    conceit, maggot, figment, myth, dream, vision, shadow, chimera; phantasm, phantasy; fantasy, fancy; whim, whimsey^†, whimsy; vagary, rhapsody, romance, gest^†, geste^†, extravaganza; air drawn dagger, bugbear, nightmare.    flying Dutchman, great sea serpent, man in the moon, castle in the air, pipe dream, pie-in-the-sky, chateau en Espagne [Fr.]; Utopia, Atlantis^†, happy valley, millennium, fairyland; land of Prester John, kindgom of Micomicon; work of fiction etc. (novel) 594; Arabian nights^†; le pot au lait [Fr.]; dream of Alnashar etc. (hope) 858^†.    illusion etc. (error) 495; phantom etc. (fallacy of vision) 443; Fata Morgana etc. (ignis fatuus) [Lat.] 423; vapor etc. (cloud) 353; stretch of the imagination etc. (exaggeration) 549; mythogenesis^†.    idealist, romanticist, visionary; mopus^†; romancer, dreamer; somnambulist; rhapsodist etc. (fanatic) 504; castle-buildier, fanciful projector.    ... show more

Roget 495: error, fallacy; misconception, misapprehension, misstanding^†, misunderstanding; inexactness etc. adj.; laxity; misconstruction etc. (misinterpretation) 523; miscomputation etc. (misjudgment) 481; non sequitur etc. 477; mis-statement, mis-report; mumpsimus^†.    mistake; miss, fault, blunder, quiproquo, cross purposes, oversight, misprint, erratum, corrigendum, slip, blot, flaw, loose thread; trip, stumble etc. (failure) 732; botchery etc. (want of skill) 699^†; slip of the tongue, slip of the lip, Freudian slip; slip of the pen; lapsus linguae [Lat.], clerical error; bull etc. (absurdity) 497; haplography^†.    illusion, delusion; snare; false impression, false idea; bubble; self-decit, self-deception; mists of error.    heresy etc. (heterodoxy) 984; hallucination etc. (insanity) 503; false light etc. (fallacy of vision) 443; dream etc. (fancy) 515; fable etc. (untruth) 546; bias etc. (misjudgment) 481; misleading etc. v.. ... show more

Roget 4: unsubstantiality^†, insubstantiality; nothingness, nihility^†; no degree, no part, no quantity, no thing.    nothing, naught, nil, nullity, zero, cipher, no one, nobody; never a one, ne'er a one [Contr.]; no such thing, none in the world; nothing whatever, nothing at all, nothing on earth; not a particle etc. (smallness) 32; all talk, moonshine, stuff and nonsense; matter of no importance, matter of no consequence.    thing of naught, man of straw, John Doe and Richard Roe, faggot voter; nominis umbra [Lat.], nonentity; flash in the pan, vox et praeterea nihil [Lat.].    shadow; phantom etc. (fallacy of vision) 443; dream etc. (imagination) 515; ignis fatuus [Lat.] etc. (luminary) 423; such stuff as dreams are made of" [Tempest]; air, thin air, vapor; bubble etc. 353; baseless fabric of a vision" [Tempest]; mockery.    hollowness, blank; void etc. (absence) 187.    inanity, fool's paradise.    ... show more

Roget 683: inactivity; inaction etc. 681; inertness etc. 172; obstinacy etc. 606.    lull etc. (cessation) 142; quiescence etc. 265; rust, rustiness.    idleness, remissness etc. adj.; sloth, indolence, indiligence^†; dawdling etc. v.. ergophobia^†, otiosity^†.    dullness etc. adj.; languor; segnity^†, segnitude^†; lentor^†; sluggishness etc. (slowness) 275; procrastination etc. (delay) 133; torpor, torpidity, torpescence^†; stupor etc. (insensibility) 823; somnolence; drowsiness etc. adj.; nodding etc. v.; oscitation^†, oscitancy^†; pandiculation^†, hypnotism, lethargy; statuvolence heaviness^†, heavy eyelids.    sleep, slumber; sound sleep, heavy sleep, balmy sleep; Morpheus; Somnus; coma, trance, ecstasis^†, dream, hibernation, nap, doze, snooze, siesta, wink of sleep, forty winks, snore; hypnology^†.    dull work; pottering; relaxation etc. (loosening) 47; Castle of Indolence.    [Cause of inactivity] lullaby, sedative, tranquilizer, hypnotic, sleeping pill, relaxant, anaesthetic, general anaesthetic etc. 174; torpedo.    [person who is inactive] idler, drone, droil^†, dawdle, mopus^†; do-little faineant [Fr.], dummy, sleeping partner; afternoon farmer; truant etc. (runaway) 623; bummer^†, loafer, goldbrick, goldbicker, lounger, lazzarone [It]; lubber, lubbard^†; slow coach etc. (slow.) 275; opium eater, lotus eater; slug; lag^†, sluggard, slugabed; slumberer, dormouse, marmot; waiter on Providence, fruges consumere natus [Lat.].    ... show more

Dutch: dromen, droom
Polish: widzenie senne, marzenie senne, marzenie, sen

Imaginative thoughts indulged in while awake:
— He lives in a dream that has nothing to do with reality.

synonym: dreaming.

Polish: rozmarzenie

A cherished desire.

synonyms: ambition, aspiration.

Dutch: ambitie, aspiratie, aspiraties, eerzucht
Polish: dążność, dążenie

A fantastic but vain hope (from fantasies induced by the opium pipe):
— I have this pipe dream about being emperor of the universe.

synonym: pipe dream.

Dutch: luchtkasteel, toekomstdroom
Polish: miraż, mrzonka, złudzenie, utopia

A state of mind characterized by abstraction and release from reality.

Dutch: droom

Someone or something wonderful.

Have a daydream; indulge in a fantasy.

synonyms: daydream, stargaze, woolgather.

Roget 683: be inactive etc. adj.; do nothing etc. 681; move slowly etc. 275; let the grass grow under one's feet; take one's time, dawdle, drawl, droil^†, lag, hang back, slouch; loll, lollop^†; lounge, poke, loaf, loiter; go to sleep over; sleep at one's post, ne battre que d'une aile [Fr.].    take it easy, take things as they come; lead an easy life, vegetate, swim with the stream, eat the bread of idleness; loll in the lap of luxury, loll in the lap of indolence; waste time, consume time, kill time, lose time; burn daylight, waste the precious hours.    idle away time, trifle away time, fritter away time, fool away time; spend time in, take time in; peddle, piddle; potter, pudder^†, dabble, faddle fribble^†, fiddle-faddle; dally, dilly-dally.    sleep, slumber, be asleep; hibernate; oversleep; sleep like a top, sleep like a log, sleep like a dormouse; sleep soundly, heavily; doze, drowze^†, snooze, nap; take a nap etc. n.; dream; snore one's best; settle to sleep, go to sleep, go off to sleep; doze off, drop off; fall asleep; drop asleep; close the eyes, seal up the eyes, seal up eyelids; weigh down the eyelids; get sleep, nod, yawn; go to bed, turn; get some z's, stack z's [Coll.].    languish, expend itself, flag, hang fire; relax.    render idle etc. adj.; sluggardize^†; mitigate etc. 174.    ... show more

Roget 515: imagine, fancy, conceive; idealize, realize; dream, dream of, dream up; give to airy nothing a local habitation and a give to airy nothing a local habitation and a name" [Midsummer Night's Dream]. create, originate, devise, invent, coin, fabricate; improvise, strike out something new.    set one's wits to work; strain one's invention, crack one's invention; rack one's brains, ransack one's brains, cudgel one's brains; excogitate^†; brainstorm.    give play, give the reins, give a loose to the imagination, give fancy; indulge in reverie.    visualize, envision, conjure up a vision; fancy oneself, represent oneself, picture, picture-oneself, figure to oneself; vorstellen [G.].    float in the mind; suggest itself etc. (thought) 451.    ... show more

Roget 495: be erroneous etc. adj.. cause error; mislead, misguide; lead astray, lead into error; beguile, misinform etc. (misteach) 538^†; delude; give a false impression, give a false idea; falsify, misstate; deceive etc. 545; lie etc. 544.    err; be in error etc. adj., be mistaken etc. v.; be deceived etc. (duped) 547; mistake, receive a false impression, deceive oneself; fall into error, lie under error, labor under an error etc. n.; be in the wrong, blunder; misapprehend, misconceive, misunderstand, misreckon, miscount, miscalculate etc. (misjudge) 481.    play at cross purposes, be at cross purposes etc. (misinterpret) 523.    trip, stumble; lose oneself etc. (uncertainty) 475; go astray; fail etc. 732; be in the wrong box; take the wrong sow by the ear etc. (mismanage) 699; put the saddle on the wrong horse; reckon without one's host; take the shadow for the substance etc. (credulity) 486; dream etc. (imagine) 515.    ... show more

Roget 458: be inattentive etc. adj.; overlook, disregard; pass by etc. (neglect) 460; not observe etc. 457; think little of.    close one's eyes to, shut one's eyes to; pay no attention to; dismiss from one's thoughts, discard from one's thoughts, discharge from one's thoughts, dismiss from one's mind, discard from one's mind, discharge from one's mind; drop the subject, think no more of; set aside, turn aside, put aside; turn away from, turn one's attention from, turn a deaf ear to, turn one's back upon.    abstract oneself, dream, indulge in reverie.    escape notice, escape attention; come in at one ear and go out at the other; forget etc. (have no remembrance) 506.    call off the attention, draw off the attention, call away the attention, divert the attention, distract the mind; put out of one's head; disconcert, discompose; put out, confuse, perplex, bewilder, moider^†, fluster, muddle, dazzle; throw a sop to Cerberus.    ... show more

Roget 451: think, reflect, cogitate, excogitate^†, consider, deliberate; bestow thought upon, bestow consideration upon; speculate, contemplate, meditate, ponder, muse, dream, ruminate; brood over, con over; animadvert, study; bend the mind, apply the mind etc. (attend) 457; digest, discuss, hammer at, weigh, perpend; realize, appreciate; fancy etc. (imagine) 515; trow^†.    take into consideration; take counsel etc. (be advised) 695; commune with oneself, bethink oneself; collect one's thoughts; revolve in the mind, turn over in the mind, run over in the mind; chew the cud upon, sleep upon; take counsel of one's pillow, advise with one's pillow.    rack one's brains, ransack one's brains, crack one's brains, beat one's brains, cudgel one's brains; set one's brain to work, set one's wits to work.    harbor an idea, entertain an idea, cherish an idea, nurture an idea etc. 453; take into one's head; bear in mind; reconsider.    occur; present itself, suggest itself; come into one's head, get into one's head; strike one, flit across the view, come uppermost, run in one s head; enter the mind, pass in the mind, cross the mind, flash on the mind, flash across the mind, float in the mind, fasten itself on the mind, be uppermost in the mind, occupy the mind; have in one's mind.    make an impression; sink into the mind, penetrate into the mind; engross the thoughts.    ... show more

Dutch: dagdromen, dromen

Experience while sleeping.

Dutch: dromen