IPA: /ˈlɪstləsli/
KK: /ˈlɪstlɪsli/
In a way that shows a lack of energy or interest; doing something without enthusiasm or motivation.
She stared at the book listlessly, unable to focus on the words.
Listlessly → It is formed from "listless" (from the combination of "list" (meaning desire or inclination) and the suffix "-less" (meaning without)) and the adverbial suffix "-ly" (meaning in a manner). The word "listlessly" means in a manner that shows a lack of desire or inclination.
Think of being 'without desire' ('listless') and acting 'in that manner' ('-ly'). This helps you remember that 'listlessly' describes doing something without any enthusiasm or interest.