ultravast

== English == === Etymology === From ultra- +‎ vast. === Pronunciation === (UK) IPA(key): /ˈʌltɹəvɑːst/ (US) IPA(key): /ˈʌltɹəvæst/ Hyphenation: ul‧tra‧vast === Adjective === ultravast (comparative more ultravast, superlative most ultravast) (rare) Extremely or exceedingly vast; of utmost vastness. === Anagrams === star vault