单词	unheard-of
释义	unheard-of adjective un·​heard-of ˌən-ˈhərd-ˌəv  -ˌäv : previously unknown especially : unprecedented moving at unheard-of speeds Synonyms fresh new novel original strange unaccustomed unfamiliar unknown unprecedented See all Synonyms & Antonyms Word History First Known Use 1592, in the meaning defined above Kids Definition unheard-of adjective un·​heard-of ˌən-ˈhərd-ˌəv, -ˌäv : not known before an unheard-of invention unheard-of adjective as in unprecedented not known or experienced before houses selling at unheard-of prices Synonyms & Similar Words Relevance unprecedented novel unfamiliar strange new original fresh unknown unaccustomed unique innovative pioneering untried unconventional nontraditional unused trailblazing pathbreaking unworn Antonyms & Near Antonyms familiar hackneyed old conventional traditional time-honored established tired warmed-over imitative derivative tried tried-and-true See More
随便看	homeology homeomorph homeomorphic homeomorphism homeomorphisms homeomorphs homeomorphy homeopath homeopathic homeopathic magic homeopathic medicine homeopathically homeopathies homeopathists homeopaths homeopathy homeosmotic homeostases homeostasis homeostatic homeotherm homeothermic homeothermies homeotherms homeothermy

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。