hellacious

adjective

hel·​la·​cious ˌhe-ˈlā-shəs How to pronounce hellacious (audio)
1
: exceptionally powerful or violent
2
: remarkably good
3
: extremely difficult
4
: extraordinarily large
hellaciously adverb

Examples of hellacious in a Sentence

Traffic is hellacious this time of day. the hellacious heat was more than we could bear
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The canine snarl and hellacious production of Whole Lotta Red has dissipated for something sleeker, more vaporous. Olivier Lafontant, Pitchfork, 8 Jan. 2025 Caruso isn't the only reason why the Thunder boast such a hellacious defense this year, but he's been a major contributor to it. Bryan Toporek, Forbes, 24 Dec. 2024 Johnny Robles destroyed James Settle in just 20 seconds with a hellacious right cross. Brian Mazique, Forbes, 14 Dec. 2024 Lineups featuring the trio of Dunn-Jones-Leonard are going to be hellacious. Shane Young, Forbes, 13 Dec. 2024 See All Example Sentences for hellacious

Word History

Etymology

hell + -acious (as in audacious)

First Known Use

1929, in the meaning defined at sense 1

Time Traveler
The first known use of hellacious was in 1929

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Cite this Entry

“Hellacious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hellacious. Accessed 22 Apr. 2025.

Last Updated: - Updated example sentences
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