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tr. & intr.v. bright·ened, bright·en·ing, bright·ens
To make or become bright or brighter.

bright′en·er n.


1. to make or become bright or brighter
2. to make or become cheerful
ˈbrightener n


(ˈbraɪt n)

1. to become or make bright or brighter.
2. to become more cheerful.
bright′en•er, n.


Past participle: brightened
Gerund: brightening

I brighten
you brighten
he/she/it brightens
we brighten
you brighten
they brighten
I brightened
you brightened
he/she/it brightened
we brightened
you brightened
they brightened
Present Continuous
I am brightening
you are brightening
he/she/it is brightening
we are brightening
you are brightening
they are brightening
Present Perfect
I have brightened
you have brightened
he/she/it has brightened
we have brightened
you have brightened
they have brightened
Past Continuous
I was brightening
you were brightening
he/she/it was brightening
we were brightening
you were brightening
they were brightening
Past Perfect
I had brightened
you had brightened
he/she/it had brightened
we had brightened
you had brightened
they had brightened
I will brighten
you will brighten
he/she/it will brighten
we will brighten
you will brighten
they will brighten
Future Perfect
I will have brightened
you will have brightened
he/she/it will have brightened
we will have brightened
you will have brightened
they will have brightened
Future Continuous
I will be brightening
you will be brightening
he/she/it will be brightening
we will be brightening
you will be brightening
they will be brightening
Present Perfect Continuous
I have been brightening
you have been brightening
he/she/it has been brightening
we have been brightening
you have been brightening
they have been brightening
Future Perfect Continuous
I will have been brightening
you will have been brightening
he/she/it will have been brightening
we will have been brightening
you will have been brightening
they will have been brightening
Past Perfect Continuous
I had been brightening
you had been brightening
he/she/it had been brightening
we had been brightening
you had been brightening
they had been brightening
I would brighten
you would brighten
he/she/it would brighten
we would brighten
you would brighten
they would brighten
Past Conditional
I would have brightened
you would have brightened
he/she/it would have brightened
we would have brightened
you would have brightened
they would have brightened
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.brighten - make lighter or brighter; "The paint will brighten the room"
alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
darken - make dark or darker; "darken a room"
2.brighten - become clear; "The sky cleared after the storm"


1. cheer up, rally, take heart, perk up, buck up (informal), become cheerful Seeing him, she seemed to brighten a little.
cheer up sadden, blacken, become angry, look black, become gloomy, go crook (Austral. & N.Z. slang)
2. light up, shine, glow, gleam, clear up, lighten, enliven Her tearful eyes brightened with interest.
light up shadow, shade, dull, obscure, dim, overshadow, blacken, becloud, cloud over or up
3. enliven, animate, make brighter, vitalize Planted tubs brightened the area outside the door.
4. improve, pick up, rally, look up (informal), perk up, gain strength, take a turn for the better (informal) It is undeniable that the economic picture is brightening.
5. become brighter, light up, glow, gleam, clear up The sky above the ridge of the mountains brightened.


1. To become brighter or fairer:
clear (up), lighten.
2. To make lively or animated:
يُضيئ، يَسْطَع
klare oplive op
hÿrga; lífga
jasniti sepoživitirazsvetliti sezvedriti se


[ˈbraɪtn] (also brighten up)
1. (= make lighter) [+ room] → dar más luz a, iluminar más (TV) [+ picture] → dar brillo a
2. (= make more cheerful) [+ room] → alegrar; [+ situation] → mejorar
1. [person] → animarse, alegrarse; [eyes] → iluminarse, brillar
2. [weather] → despejarse; [prospects] → mejorar


(= add colour to) → égayer
(= make lighter) → éclaircir
(= improve) [+ prospects] → améliorer
(= become happier) [face] → s'illuminer; [eyes] → s'allumer; [expression] → s'égayer
[weather, sky] → s'éclaircir
[prospects, situation] → s'améliorer
brighten up
[person] → s'égayer
[weather] → s'éclaircir
[prospects] → s'améliorer
vt (= add colour to) → égayer
[make more cheerful] → animerbright lights npllumières fpl

brighten (up)

vt sep
(= make cheerful) spirits, personaufmuntern, aufheitern; room, atmosphereaufhellen, aufheitern; conversationbeleben; prospects, situationverbessern
(= make bright) colour, hairaufhellen; metalaufpolieren
(weather, sky)sich aufklären or aufheitern
(person)fröhlicher werden; (face)sich aufhellen or aufheitern; (eyes)aufleuchten; (prospects)sich verbessern, freundlicher werden; (future)freundlicher aussehen


1. vt (also brighten up) (colour) → ravvivare; (television picture) → alzare la luminosità di; (house, room) → rallegrare; (situation) → migliorare
a child will brighten up your life → un figlio allieterà la tua vita
2. vi (also brighten up) (person) → rianimarsi, rallegrarsi; (eyes, expression) → illuminarsi; (weather) → schiarirsi


(brait) adjective
1. shining with much light. bright sunshine.
2. (of a colour) strong and bold. a bright red car.
3. cheerful. a bright smile.
4. clever. bright children.
ˈbrightly adverb
ˈbrightness noun
ˈbrighten verb
(often with up) to make or become bright or brighter. The new wallpaper brightens up the room.
References in classic literature ?
That with soft touch now brightens into jade Lintel and door, and when she lifts the blind Floats through the darkened chamber of her sleep; While leagues away my love-winged messages Go flocking home; and though they mingle not, Our thoughts seek one another.
And yet they were the same," murmured Monte Cristo, "only now it is broad daylight instead of night; it is the sun which brightens the place, and makes it appear so cheerful.
Thoughtful and pensive in general, her countenance always brightens into a smile when Reginald says anything amusing; and, let the subject be ever so serious that he may be conversing on, I am much mistaken if a syllable of his uttering escapes her.
brightens and the style refines" in accurate proportion to the
Sometimes she brightens up, and seems as if she was eager to say something; and then Heaven only knows why, checks herself suddenly as if she was afraid to speak.
Rosa dear does not seem at all clear on this point, until her face, which has been comically reflective, brightens.
Shall I tell you some news to brighten this dull letter?
Barkis had always liked me and admired me; that he had often talked of me, before he fell into a stupor; and that she believed, in case of his coming to himself again, he would brighten up at sight of me, if he could brighten up at any earthly thing.
The memory of her forest dream had never passed away, and through trial and temptation she had been true, and kept her resolution still unbroken; seldom now did the warning bell sound in her ear, and seldom did the flower's fragrance cease to float about her, or the fairy light to brighten all whereon it fell.
These fellow-mortals, every one, must be accepted as they are: you can neither straighten their noses, nor brighten their wit, nor rectify their dispositions; and it is these people--amongst whom your life is passed--that it is needful you should tolerate, pity, and love: it is these more or less ugly, stupid, inconsistent people whose movements of goodness you should be able to admire-- for whom you should cherish all possible hopes, all possible patience.
The chaise of a traveller being a rare sight in Fullerton, the whole family were immediately at the window; and to have it stop at the sweep-gate was a pleasure to brighten every eye and occupy every fancy -- a pleasure quite unlooked for by all but the two youngest children, a boy and girl of six and four years old, who expected a brother or sister in every carriage.
I suppose I was an odd little figure; I have been told that my anxiety to brighten her gave my face a strained look and put a tremor into the joke (I would stand on my head in the bed, my feet against the wall, and then cry excitedly, 'Are you laughing, mother?