Vast Synonyms

56 vast synonyms include huge, extensive, expansive, broad, wide, boundless, immeasurable, limitless, infinite, and enormous. Vast is an adjective, and its antonyms are tiny and limited. Here are some additional synonyms for "vast" with example sentences.

Another word for Vast

56 other ways to say vast.

  • wide
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  • whopping great  
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  • whopping  
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  • whacking great  
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  • whacking  
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  • weighty  
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  • very large  
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  • very big  
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  • tremendous
  •   
  • towering  
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  • titanic  
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  • thumping great  
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  • thumping  
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  • substantial
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  • stupendous  
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  • prodigious  
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  • mountainous  
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  • monumental  
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  • monstrous  
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  • monster
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  • mighty  
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  • mega  
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  • massive
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  • mammoth  
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  • limitless  
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  • king-sized  
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  • king-size  
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  • jumbo  
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  • infinite  
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  • immense
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  • immeasurable  
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  • humongous  
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  • hulking  
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  • huge
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  • Herculean  
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  • hefty  
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  • heavy
  •   
  • gross
  •   
  • great
  •   
  • ginormous  
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  • gigantic  
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  • giant
  •   
  • gargantuan  
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  • extensive
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  • expansive  
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  • epic
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  • enormous
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  • elephantine  
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  • colossal  
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  • bumper  
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  • bulky  
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  • Brobdingnagian  
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  • broad
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  • boundless  
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  • astronomical  
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  • astronomic  
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Use vast in a Sentence

A vast ocean stretched ahead.

He managed to accumulate a vast collection of books.

She owns a vast library collection.

The desert is vast and empty.