- of or like ice or glaciers
- of or produced by a glacier or a glacial epoch or period
- freezing; frigid: glacial weather
- cold and unfriendly: a glacial stare
- as slow as the movement of a glacier: glacial progress
- Chem. having an icelike, crystalline appearance
Origin of glacialClassical Latin glacialis, icy, frozen ; from glacies, ice ; from Indo-European an unverified form glag-, partial reduplicated, reduplication of base an unverified form gel-, to freeze from source cold
- a. Of, relating to, or produced by a glacier.b. Extremely slow, like the movement of a glacier: Work proceeded at a glacial pace.
- a. often Glacial Characterized or dominated by the existence of glaciers. Used of a geologic epoch.b. Pleistocene. See Table at geologic time.
- Extremely cold; icy: a glacial rain. See Synonyms at cold.
- Having the appearance of ice.
- a. Lacking warmth and friendliness: a glacial stare.b. Coldly detached: a glacial composure.
Origin of glacialFrench, from Old French, icy, from Latin glacialis, from glaci&emacron;s, ice; see gel- in Indo-European roots.
(comparative more glacial, superlative most glacial)