extremely

adverb

ex·​treme·​ly ik-ˈstrēm-lē 

1

: in an extreme manner

2

: to an extreme extent

Synonyms of extremely

• very
• incredibly
• terribly
• highly
• too
• so
• badly
• damned
• severely
• damn
• really
• super
• desperately
• intensely
• seriously
• far
• exceptionally

Examples of extremely in a Sentence

an extremely hot day

Recent Examples on the Web

Where these winds coincide with heavy snow, blizzard conditions are possible, with near-zero visibility and extremely dangerous travel, particularly along the Outer Banks of North Carolina and into southeast Virginia. —Briana Waxman, CNN Money, 30 Jan. 2026

The department warned citizens that snow and ice can create extremely slippery surfaces and lead to serious or even deadly accidents. —Stephen Sorace, FOXNews.com, 29 Jan. 2026

Therefore, telling the story in graphic form on behalf of Ukrainians themselves, explaining the preconditions for Russia’s attempts to erase Ukraine as a sovereign country and Ukrainians as an ethnic group, became extremely relevant. —Literary Hub, 29 Jan. 2026

These include microvalves that sort particles by size inside extremely narrow channels. —Aamir Khollam, Interesting Engineering, 29 Jan. 2026

Word History

First Known Use

1509, in the meaning defined at sense 1

Phrases Containing extremely

• extremely high frequency
• extremely low frequency

Rhymes for extremely

• seemly
• unseemly