The phrase "wert in keeping" implies something is being maintained or preserved well. As for its antonyms, these would be words that mean the opposite. For instance, "neglect" is an antonym of "in keeping" since it means to ignore or not take care of something. "Disregard" or "abandon" are also antonyms of "in keeping." If something is not "in keeping," it may be said to be "out of order," "out of sync," or simply "disorganized." Thus, studying antonyms can provide us with a deeper understanding of words and their various meanings.