The word "inept" means lacking skill, ability, or competence. It describes someone who is not good at doing something or performing a task effectively. Full definition
In sum, the multi-group comparison of trajectories in the two groups revealed that Home - Start mothers showed a significantly stronger increase in sense of competence and supportive parenting, and a significantly stronger decrease in the use of inept discipline than the comparison mothers. (link.springer.com)
Greta Gerwig, who after spirited turns in «Damsels in Distress» and «Lola Versus» is fast becoming the darling of off - beat cinema, is lovably naïve and socially inept as Frances. (moviehole.net)
It's tempting, perhaps, to rattle the state Capitol to its very core, and replace the politicians so inept at governing with outsiders like Mr. Paladino. (timesunion.com)