Thesaurus

ultracold

adjective

Save Word

Synonyms & Antonyms of ultracold

as in cryogenic, subfreezing

Synonyms & Near Synonyms for ultracold

cryogenic,
subfreezing,
subzero

algid,
arctic,
bitter,
bone-chilling,
chill,
chilly,
cold,
coldish,
cool,
coolish,
freezing,
frigid,
frosty,
gelid,
glacial,
ice-cold,
icy,
nipping,
nippy,
numbing,
polar,
shivery,
snappy,
wintry
(also wintery)

cutting,
keen,
penetrating,
piercing,
sharp

bracing,
brisk,
crisp,
invigorating,
rigorous

chilled,
cooled,
frosted,
frozen,
iced,
refrigerated,
unheated

Antonyms & Near Antonyms for ultracold

ardent,
blazing,
boiling,
broiling,
burning,
fervent,
fervid,
fiery,
glowing,
hot,
igneous,
molten,
piping hot,
red-hot,
roasting,
scalding,
scorching,
searing,
seething,
sizzling,
sultry,
sweltering,
torrid,
ultrahot,
warming,
white-hot

lukewarm,
tepid

heated,
overheated,
reheated,
warmed

snug,
toasty,
warm

feverish,
flushed,
inflamed
(also enflamed)

canicular,
equatorial,
muggy,
steamy,
summery,
tropical

Learn More About ultracold

Thesaurus Entries Near ultracold

ultraclean

ultracold

ultracompetent

Cite this Entry

“Ultracold.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultracold. Accessed 21 May. 2022.

Style: MLA

MLA

Chicago

APA

Merriam-Webster Check Mark Icon

WORD OF THE DAY

paradox

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Eponyms: Words Named After People

What is the best definition of boycott?

to divide proportionately to make lively or excited
to prepare a small meal for sustenance to refuse participate in (something) as a way of protesting

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ

A daily challenge for crossword fanatics.

TAKE THE QUIZ

Thesaurus

ultracold

Synonyms & Antonyms of ultracold

Learn More About ultracold

The first known use of ultracold was in 1861

Thesaurus Entries Near ultracold

WORD OF THE DAY

paradox

Test Your Vocabulary