vastly

[vast-lee, vahst‐]

adverb

1. to an extremely great extent or degree; hugely.

   We still have essentially the same brains as early humans, but most of us live in vastly different circumstances than they did.

Other Word Forms

• supervastly adverb

Word History and Origins

Origin of vastly¹

vast ( def. ) + -ly

Example Sentences

But federal agents, under pressure to meet arrest quotas, have vastly widened their net, targeting public-facing workplaces that pay low wages.

Read more on Los Angeles Times

Now we move on to Brisbane, and the vastly different day-night conditions for the second Test.

Read more on BBC

AI reasoning models—including DeepSeek — consume vastly more computing capacity for inference, the process of generating answers from already developed AI models.

Read more on Barron's

Students vastly underestimated how empathic, kind and friendly their average peer was.

Read more on The Wall Street Journal

The Obama administration saw the opportunity to use the rule as a federal land grab, and vastly expanded the definition of “navigable” to cover huge new tracts of land and water.

Read more on The Wall Street Journal

Related Words

• enormously www.thesaurus.com
• exceedingly 
• extremely 
• greatly 
• hugely 
• tremendously