freezing
used meaning "extremely" with other words that might also describe glaciers or ice:
His work embodies a glacially cool perfection.
He looks at me through glacially blue eyes.
The route passes some other small, glacially formed lakes.
Some of the quartz may have been glacially transported.
This glaciation gave rise to at least three separate influxes of glacially derived material.

SMART Vocabulary: related words and phrases

Precipitation: snow & ice
anti-icing
avalanche
be snowed inidiom
be snowed upidiom
boilerplate
drifting
glacier
hailstorm
iceberg
icy
permafrost
precipitation
sleet
slushy
snow devil
snow line
snowdrift
snowfall
snowflake generation
snowpack

You can also find related words, phrases, and synonyms in the topics:

Cold
Linguistics: very & extreme

glaciallyadverb (SLOWLY)

extremely slowly: 非常慢地，缓慢地
Where the clean-up has occurred, it has moved glacially.
Change is still glacially slow.
Researchers are making progress, if glacially.
A country that cherishes the status quo is not going to change quickly, but it is moving forward glacially.
The minister insisted that things were moving, albeit glacially slowly.

SMART Vocabulary: related words and phrases

Slow and moving slowly
(as) slow as molassesidiom
at a snail's paceidiom
by and byidiom
by degreesidiom
claw your way (somewhere)idiom
float
in ones and twosidiom
inch by inchidiom
infiltrate
infiltration
jog
labour
lag
sluggishly
sluggishness
snail
staged
steadily
struggle
wander

glaciallyadverb (UNFRIENDLY)

in a way that is extremely unfriendly or emotionally cold:
The audience was greeted by a glacially smiling Lady Macbeth.
Many viewers find his paintings glacially cold.
Synonym