fathomlessWiktionary 原文英美/ˈfæ.ðəm.ləs/构词拆解fathomfathom词干less-less后缀-lessLacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.词源说明From fathom + -less.释义形容词adjective1Very deep (especially of water deeper than a lead line can measure); bottomless, immeasurable.2by extensionunfathomable or incomprehensible.同族词派生词 2fathomlessly·