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Definitions

light up

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brighten v.
illuminate v.
light v.
lighten v.
radiate v.
twinkle v.

VERB

brighten

Synonyms

STRONGEST

clear up enliven illuminate lighten

STRONG

burnish gleam illumine intensify kindle polish

WEAK

buff up grow sunny punch up spiff up

Antonyms

STRONGEST

complicate darken dull

WEAK

deepen depress fade upset

VERB

illuminate

Synonyms

STRONGEST

brighten flash highlight spotlight

STRONG

fire floodlight ignite illume illumine irradiate kindle light lighten spot

WEAK

hit with a light limelight

Antonyms

STRONG

darken dull extinguish put out

WEAK

cloud complicate involve obscure

VERB

light

Synonyms

STRONGEST

brighten ignite kindle put on shine turn on

STRONG

animate cast fire flood floodlight highlight illume illumine inflame irradiate lighten limelight spot spotlight

WEAK

furnish with light make bright make visible switch on

Antonyms

STRONGEST

dull extinguish put out turn off

WEAK

darken drench mount obscure

VERB

lighten

Synonyms

STRONGEST

brighten

STRONG

flash gleam illume irradiate light shine

WEAK

become light make bright

Antonyms

STRONG

dull

WEAK

blacken bring down burden darken depress dim upset weigh down

VERB

radiate

Synonyms

STRONGEST

beam diffuse diverge emanate emit gleam shine transmit

STRONG

afford broadcast circulate disseminate distribute expand glitter illumine irradiate issue pour proliferate propagate ramble ramify shed spread sprinkle strew yield

WEAK

branch out give out send out shoot out spread out throw out

Antonyms

STRONGEST

dull take

STRONG

collect conceal gather hide hold keep

VERB

twinkle

Synonyms

STRONGEST

blink flicker gleam glint glisten glitter glow illuminate shimmer sparkle wink

STRONG

coruscate flash light scintillate

Antonyms

STRONGEST

darken dull

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

light up

Those who grew up watching Panettiere light up screens both big and small were devastated.

From Salon ● Aug. 18, 2026

Photographs of happy, smiling human faces made an area of the brain that is associated with reward "light up" with activity.

From BBC ● Aug. 10, 2026

So light up that candle, lock the doors and bring the tissues if you have to — just don’t be ashamed to feel all the feels, or shake your booty if the mood strikes.

From Los Angeles Times ● Aug. 7, 2026

Just as important as Kiffin’s ability to light up scoreboards was his knack for using any microphone within earshot to stir up attention.

From The Wall Street Journal ● Aug. 5, 2026

Adria was sitting in the stands with Mom and Dad when she saw my final score of 38.100 light up the scoreboard.

From "Courage to Soar" by Simone Biles

light up

Example Sentences

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