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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.
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