half ass Antonyms

self-disciplined regardant punctilious priggish precise ponderate plodding organized operose observing observant momentous mindful regardful respective hard-working made-up level-headed put together watchful wary thoughtful solicitous self-possessed sedulous scrupulous responsible meticulous major listening considerate conscientious concentrated composed chargeable careful attentive attent assiduous amenable ambitious advertent delicate demanding laborious keen interested intentive intent inspective