The word "wellkept" signifies something that is maintained and well-maintained. However, there are several antonyms for the word, which suggests disorder, neglect, and poor maintenance. The antonyms of "wellkept" are poorly maintained, untidy, unkempt, shabby, sloppy, disheveled, and disorderly. These words describe something that is messy, chaotic or not well looked after. A poorly maintained garden, an unkempt lawn, a shabby house are some examples that can be associated with the antonyms of "wellkept." By using these antonyms, one can describe a place or an object that has not received proper attention and care, and therefore it may look messy, disorganized, untidy, or shabby.