hoarfrost

noun

ˈhȯr-ˌfrȯst How to pronounce hoarfrost (audio)
Definition of hoarfrostnext
as in frost
a covering of tiny ice crystals on a cold surface the hoarfrost formed a delicate swirly pattern on the window

Synonyms & Similar Words

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Example Sentences

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.
Recent Examples of hoarfrost The cave walls shimmer with hoarfrost, delicate ice filaments that resemble an intricate frozen lacework. — Scott Travers, Forbes, 2 Mar. 2025 Nearby, hoarfrost shimmered on hemlock branches, a bear cub peered out from a hole in the snow, and a sudden, terrifying silence echoed in the ears of the man’s ski partners. — Caroline Van Hemert, Outside Online, 11 Aug. 2021 The hoarfrost in the subzero temperatures lifted a clean, white layer into the air that sparkled in the low sun. — Alli Harvey, Anchorage Daily News, 28 Dec. 2019
Recent Examples of Synonyms for hoarfrost
frost
Noun
  • Researchers think the moon is blanketed by porous layers of volcanic ash, sulfur frost and other eruptive debris that continually resurface Io, burying older terrain beneath fresh deposits.
    — Samantha Mathewson, Space.com, 24 July 2026
  • Wait until a few weeks after the last frost in your area so the soil will be warm enough.
    — Karen Brewer Grossman, Southern Living, 24 July 2026
Definition of frost

Browse Nearby Words

hoards
hoarfrost
hoariness
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Cite this Entry

“Hoarfrost.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hoarfrost. Accessed 3 Aug. 2026.

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More from Merriam-Webster on hoarfrost

Nglish: Translation of hoarfrost for Spanish Speakers

Britannica.com: Encyclopedia article about hoarfrost

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