US /ˈvæstli/ UK /ˈvɑːstli/
adv

Meanings

  1. 1
    adv

    to a very great extent or degree

    The new edition is vastly superior to the original.

Thesaurus

Synonyms
1 adv · to a very great extent or... greatlyenormouslyimmenselyhugelytremendouslyconsiderably
Opposites
Word family
Related forms vastvastness

Etymology

From 'vast' + the adverbial suffix '-ly'. 'Vast' derives from Latin 'vastus' ('empty, immense, desolate').

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