Vast

Adjective

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.

Antonyms

adjective

bounded , limited , little , narrow , small

Synonyms

adjective

all-inclusive , ample , astronomical , big , boundless , broad , capacious , colossal , comprehensive , detailed , endless , enormous , eternal , expanded , extensive , far-flung , far-reaching , forever , giant , gigantic , great , huge , illimitable , immeasurable , immense , infinite , limitless , mammoth , massive , measureless , monstrous , monumental , never-ending , prodigious , prolonged , spacious , spread-out , stretched-out , sweeping , titanic , tremendous , unbounded , unlimited , voluminous , widespread , behemoth , brobdingnagian , bunyanesque , cyclopean , elephantine , gargantuan , gigantesque , herculean , heroic , jumbo , massy , mastodonic , mighty , monster , mountainous , pythonic , stupendous , cosmic , grandiose , imponderable , large , untold , whopping , wide , worldwide