单词	ultraquiet
释义	ultraquiet adjective ul·​tra·​qui·​et ˌəl-trə-ˈkwī-ət  : producing significantly less sound than is usual or expected : extremely or extraordinarily quiet ultraquiet engines Word History First Known Use 1863, in the meaning defined above ultraquiet adjective as in quiet Synonyms & Similar Words Relevance quiet tranquil peaceful calm serene restful silent arcadian placid noiseless hushed still gentle soft dull motionless quiescent low soundless stilly muffled mute muted dead wordless quieted speechless Antonyms & Near Antonyms noisy loud boisterous deafening rowdy raucous clattery roistering tumultuous wooly clamorous woolly wild romping uproarious unquiet crazy tempestuous rip-roaring earsplitting booming thunderous blasting piercing roaring thundering blaring See More
随便看	symbolizations symbolize symbolized symbolizer symbolizers symbolizes symbolizing symbolled symbolling symbolo- symbological symbologically symbologies symbologist symbologists symbology symbololatries symbololatryes symbololatrys symbolophobia symbols symbranch Symbranchia symbranchiate Symbranchidae

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。