arduously C2 Topic:Describing Qualities Freq #168592 Meanings 1 adv In a way that requires great effort and is very tiring. They worked arduously through the night to finish the project. Etymology AI details From arduous + -ly. Topics Describing Qualities Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # arduously **Type:** Word **Level:** C2 **Part of speech:** adv **Frequency rank:** 168592 ## Meanings 1. In a way that requires great effort and is very tiring. ## Examples - They worked arduously through the night to finish the project. ## Etymology From arduous + -ly. ## AI Etymology Arduously is from arduous + -ly. The analysis is mainly morphological: the modern adverbial form is built from the named base and affix. Current senses include in a way that requires great effort and is very tiring. ## Topics - Describing Qualities - Word Formation & Derivatives markdown