Inadept is a term used for someone who lacks skill or competence. Antonyms for the word can be skilled, adept, proficient, accomplished, able, experienced, masterful, capable, talented, and expert. Skilled refers to someone who has excellent ability or knowledge due to training or practice. Adept means a person who is highly skilled, proficient, and expert in performing a particular task. Proficient is used for someone who has attained a high level of skill or knowledge in a particular area. Accomplished refers to someone who has achieved a high level of skill, expertise, or success in a particular field. Able is used for someone who is capable of doing something, while experienced means someone who has practical knowledge or skill in a particular field.