Insouciantly Play [in-soo-see-uhnt-lee] (adverb) In a carefree and nonchalant manner; showing a lack of concern or worry. SYNONYMS nonchalantly casually unconcernedly carelessly ANTONYMS anxiously worriedly concernedly She strolled through the park, insouciantly enjoying the sunny day. Wordshake Dictionary 🔍 Search By letter A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Remove Ads 🎉 Latest Blog Posts August 30th, 2023 What is full of holes but still holds water? August 17th, 2022 What word is spelled wrong in the dictionary?