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ablaze

American  
[uh-bleyz] / əˈbleɪz /

adjective

  1. burning; on fire.

    They set the logs ablaze.

  2. gleaming with bright lights, bold colors, etc.

  3. excited; eager; zealous; ardent.

  4. very angry.


ablaze British  
/ əˈbleɪz /

adjective

  1. on fire; burning

  2. brightly illuminated

  3. emotionally aroused

"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

Etymology

Origin of ablaze

1800–10; a- 1 + blaze 1; compare Middle English on blase

Explanation

Use the adjective ablaze to describe something that's on fire. Once your campfire is ablaze, you can toast marshmallows over it. If there's a terrible fire in your town, it might set many houses ablaze, and some people dispose of fallen leaves and branches by setting them ablaze in the yard. The word dates from the 14th century, and it combines the prefix a-, which here means "on," and blaze, or "flame," from the Old English blæse, "torch, flame, firebrand, or lamp."

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Vocabulary lists containing ablaze

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:

Mountains of garbage line Havana’s streets, some set ablaze by residents protesting their living conditions.

From The Wall Street Journal Aug. 13, 2026

Canada and Minnesota are ablaze in the scorching, dry heat.

From MarketWatch Jul. 17, 2026

A fisherman on another boat recorded cellphone images of the Negra Francisca ablaze and posted the video, spurring alarm about the fate of the boat and its crew.

From Los Angeles Times Jun. 15, 2026

The helicopters collided in Recreio dos Bandeirantes, a western suburb of Rio de Janeiro, then plummeted into the parking lot of an electric car dealership, setting ablaze around 20 cars, firefighters said.

From Barron's Jun. 14, 2026

Mr. and Mrs. van D. had seen a red glow through the open window, and he thought there was a fire nearby, while she was certain our house was ablaze.

From "The Diary of a Young Girl" by Anne Frank

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