English Reference

Word

glacial

US/ˈɡɫeɪʃəɫ/

UK/ɡlˈeɪʃəl/

Definitions

01relating to glaciers

B2 · Science

adj. connected to glaciers or the way they shape the land.

adj. relating to, resulting from, or denoting the presence or agency of ice, especially in the form of glaciers.

“The valley was formed by glacial activity thousands of years ago.”

“Geologists identified distinct glacial deposits that suggest the entire region was once covered by a massive ice sheet during the Pleistocene.”

Technical

Synonyms

03very cold

B2

adj. extremely cold, like ice.

adj. characterised by extremely low temperatures; icy.

“A glacial wind blew across the empty fields in January.”

“The climbers were forced to retreat when a glacial blast of air made it impossible to maintain body heat in their tents.”

Literary

Antonyms

04unfriendly

C1

adj. very cold and unfriendly in behavior.

adj. lacking warmth or friendliness; emotionally distant or hostile.

“She gave him a glacial look when he interrupted her speech.”

“The negotiations were conducted in a glacial atmosphere, with neither side willing to offer even a polite greeting to the other.”

Literary

Synonyms

Antonyms

05an ice age

C2 · Science

n. a long period of time when ice covers large parts of the earth.

n. a period of time during an ice age when glaciers advance.

“Scientists study the animals that lived during the last glacial.”

“The transition from the last glacial to the current interglacial period saw dramatic shifts in global sea levels and vegetation patterns.”

Technical

Synonyms

ice age

Antonyms

interglacial

Real-World Examples

“During the Last Glacial Maximum, the coldest period of the last Ice Age, much of Eurasia and North America was covered by gigantic glaciers more than 3,000 meters (9,800 feet) high.”
Phys.org · 14 Aug 2026
“This period included a short but significant glacial event followed by the mid-Piacenzian Warm Period, when global conditions were warmer than they are today.”
ScienceDaily · 6 Aug 2026

Word family

glacialAdjectiveglacierNoun

Domain

Geology

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

englishreference.com/q/glacial

English Reference