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  • halo
    halo
    noun
    a geometric shape, usually in the form of a disk, circle, ring, or rayed structure, traditionally representing a radiant light around or above the head of a divine or sacred personage, an ancient or medieval monarch, etc.
  • halo-
    halo-
    a combining form meaning “salt,” used in the formation of compound words (halophyte ); sometimes specialized as a combining form of halogen (halothane ).
Synonyms

halo

1 American  
[hay-loh] / ˈheɪ loʊ /

noun

  • halos,
    plural
  • haloes
    plural
  1. Also called nimbus. a geometric shape, usually in the form of a disk, circle, ring, or rayed structure, traditionally representing a radiant light around or above the head of a divine or sacred personage, an ancient or medieval monarch, etc.

  2. an atmosphere or quality of glory, majesty, sanctity, or the like.

    The "profession" of a medieval lord cast a halo around him and made him a ruler of men.

  3. Meteorology. any of a variety of bright circles or arcs centered on the sun or moon, caused by the refraction or reflection of light by ice crystals suspended in the earth's atmosphere and exhibiting prismatic coloration ranging from red inside to blue outside (distinguished from corona).

  4. Astronomy. a spherical cloud of gas clusters and stars that form part of a spiral galaxy.

  5. any of various other things resembling a halo, especially a lighter or differently colored area surrounding an object.

    I think the scab was from some kind of bite, and now there's a halo around it with bruising.

  6. Also called Cellini's halo. Heiligenschein.

  7. an undesirable bright or dark ring surrounding an image on the fluorescent screen of a television tube, due to some fault either in transmission or reception.


verb (used with object)

  • haloes,
    present (3rd person singular)
  • haloed,
    past participle,  past
  • haloing
    present participle
  1. to surround with a halo.

verb (used without object)

  • haloes,
    present (3rd person singular)
  • haloed,
    past participle,  past
  • haloing
    present participle
  1. to form a halo.

halo- 2 American  
  1. a combining form meaning “salt,” used in the formation of compound words (halophyte ); sometimes specialized as a combining form of halogen (halothane ).


halo 1 British  
/ ˈheɪləʊ /

noun

  1. a disc or ring of light around the head of an angel, saint, etc, as in painting or sculpture

  2. the aura surrounding an idealized, famous, or admired person, thing, or event

  3. a circle of light around the sun or moon, caused by the refraction of light by particles of ice

  4. astronomy a spherical cloud of stars surrounding the Galaxy and other spiral galaxies

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to surround with or form a halo

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
halo- 2 British  

combining form

  1. indicating salt or the sea

    halophyte

  2. relating to or containing a halogen

    halothane

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

halo Scientific  
/ hā′lō /
  1. A hazy ring of colored light in the sky around the Sun, Moon, or a similar bright object. A halo is caused by the reflection and refraction of light through atmospheric ice crystals.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of halo1

First recorded in 1555–65; from Latin, accusative of halōs “circle around the sun or moon,” from Greek hálōs “threshing floor; grain on a threshing floor; shield; halo”

Origin of halo-2

< Greek, combining form of háls salt


Explanation

A glowing light that circles something, like the moon or a person's head is a halo. Painters of religious art often put a halo around the heads of angels and saints. A halo is a symbol of holiness, represented by a circle or arc of light around the head of a saint or holy person. Any circle of light can be described as a halo, even in a non-religious context; sometimes you'll see a glowing halo of light around the moon, for example. The word halo also means "glory or majesty," a symbolic halo rather than a physical one. The Greek halos means "ring of light around the sun or moon."

Keep Reading on Vocabulary.com

Vocabulary lists containing halo

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:

He noticed an unusually bright patch surrounded by a dark halo, a pattern suggesting that material on the lunar surface had recently been disturbed.

From Science Daily ● Sep. 18, 2026

The crater appeared as a "large bright spot circled by a dark halo" by the LRO probe, which has been studying the Moon since 2009.

From Barron's ● Sep. 17, 2026

Right now, there’s a halo of rarity around Raising Cane’s due to its newness, which likely adds to the psychosis.

From Slate ● Aug. 24, 2026

Originally, it had a little halo, but it broke.

From Los Angeles Times ● Jul. 5, 2026

The last piece is the halo, which is covered in all things sparkly: glitter, sequins, and rhinestones.

From "Like Vanessa" by Tami Charles

Encircling the footprint of each roundhouse were "middens," haloes of rubbish dumped from the stilt village above, included broken pots, butchered animal bone, and "coprolites" or fossilised faeces.

From Science Daily ● Mar. 20, 2024

Diffuse gas in the two galactic haloes would compress on collision, forming a curved structure like the bow wave from a ship moving through water.

From Scientific American ● Jan. 12, 2023

The glory that now haloes the vineyard valleys of Sonoma and Santa Ynez, Alexander and Edna, the Russian River, and other dales and vales, once belonged to Los Angeles.

From Los Angeles Times ● Nov. 1, 2022

Accretion disks are fast-spinning haloes of matter that orbit around black holes at high speeds.

From Salon ● Nov. 18, 2021

Above them, the ceiling light dropped haloes in their hair as they listened on.

From "Typical American" by Gish Jen

The exact limit depends strongly on the masses of the dark matter halos where those seeds originally formed.

From Science Daily ● Aug. 27, 2026

We should be hesitant to place halos around the heads of people we admire, just as we shouldn’t totally condemn those with whom we disagree.

From The Wall Street Journal ● Aug. 7, 2026

“I was there, and I was a pop star — my thing was wearing ornate halos all the time,” you might say.

From Salon ● Apr. 24, 2026

Chinese lanterns hover above their heads like red halos.

From Los Angeles Times ● Mar. 2, 2026

Two of the women, in the front rank of the crowd, wore halos.

From "Nine Stories" by J. D. Salinger

I’m not ashamed to admit that there have been times when those 32-ounce tubs just stare at me day after day, haloed by the refrigerator light, moving further from consumable and closer to petri dish.

From Salon ● Apr. 28, 2026

“The way her hijab haloed Nour’s head” gives her a saintly presence, “or so Jimmy thought.”

From The Wall Street Journal ● Nov. 7, 2025

In the dimness of a small theater inside Venice’s former City Hall, poet Sesshu Foster was in the spotlight, haloed against a velvet stage as he read aloud to an audience of 50.

From Los Angeles Times ● Dec. 15, 2022

As the couple is careful to acknowledge their continued privilege, in part to forestall criticism, they are also haloed by its golden glow, their pain rendered comfortably, consumably, palatable.

From New York Times ● Dec. 9, 2022

Her beautiful head was haloed by the streetlamp.

From "Black Swan Green" by David Mitchell

She became slimmer, blonder, sleeker, her cheekbones carved by shadow, a golden nimbus haloing her hair.

From The New Yorker ● Oct. 19, 2015

One of his plates showed the wounded gunman seated on the pavement, the girl clasping his head to her shoulder, the alert hands of policemen and detectives haloing the couple's heads.

From Time Magazine Archive

Then I thought, how could this Doctor Gordon help me anyway, with a beautiful wife and beautiful children and a beautiful dog haloing him like the angels on a Christmas card?

From "The Bell Jar" by Sylvia Plath

They weren’t solid gray, but filaments of a hundred different grays and blues and pearls, and they looked like reflections of light wavering on water, with the softest sunburst of amber haloing his pupils.

From "Strange the Dreamer" by Laini Taylor

Her hair is a frizzy nest haloing her plump white face.

From "The Belles" by Dhonielle Clayton

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