insouciant Antonyms

filled with concern warm sorrowful sad passionate nervous keen impatient hungry hot high-strung happy wild worried highly involved actively involved directly responsible for overprotective keen on hot and bothered gung ho beside oneself antsy ill at ease zealous hag-ridden greedy great concerned committed careworn careful caring blue avid attentive ardent apprehensive anxious conscientious crazy gloomy fervent fanatical excited enthusiastic energetic embattled earnest eager