frictionlessWiktionary 原文英美构词拆解frictionfriction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 friction + -less.释义形容词adjective1Of or pertaining to lack of friction.2(finance) Of a transaction or trade, without tariffs and non-tariff barriers.同族词派生词 2frictionlessly·