vast

[ vast, vahst ]
/ væst, vɑst /

adjective, vast·er, vast·est.

of very great area or extent; immense: the vast reaches of outer space.
of very great size or proportions; huge; enormous: vast piles of rubble left in the wake of the war.
very great in number, quantity, amount, etc.: vast sums of money.
very great in degree, intensity, etc.: an artisan of vast skill.

noun

Literary. an immense or boundless expanse or space.

Origin of vast

First recorded in 1565–75, vast is from the Latin word vastus empty, immense

OTHER WORDS FROM vast

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vastness

British Dictionary definitions for vastness

vast
/ (vɑːst) /

adjective

unusually large in size, extent, degree, or number; immense
(prenominal) (intensifier)in vast haste

noun

the vast mainly poetic immense or boundless space
British dialect a very great amount or number

Derived forms of vast

vastity, nounvastly, adverbvastness, noun

Word Origin for vast

C16: from Latin vastus deserted
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012