glacial.
Of, or relating to glaciers.
Meaning & usage
Of, or relating to glaciers.
We examined the glacial deposits.
Very slow.
Cold and icy.
After the rain and frost, the pavements were glacial.
Having the appearance of ice.
On cold days, glacial acetic acid will freeze in the bottle.
Cool and unfriendly.
He gave me a glacial stare.
Where this word comes from
Borrowed from French glacial, from Latin glaciālis, from glaciēs (“ice”). The sense "slow" refers to the speed of actual glaciers, typically around 1 meter per day.
A glacial period (colloquially known as an ice age).
Where this word comes from
Borrowed from French glacial, from Latin glaciālis, from glaciēs (“ice”). The sense "slow" refers to the speed of actual glaciers, typically around 1 meter per day.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.