The term 'most short and sweet' can be best described through a range of antonyms such as lengthy, verbose, long-winded, tedious, complicated, and convoluted. The word 'lengthy' suggests that something exceeds the optimum amount of brevity, while 'verbose' refers to using more words than needed to convey a message. Similarly, the word 'tedious' describes something that is tiresome and boring, and 'complicated' and 'convoluted' refer to concepts that are hard to understand. While 'most short and sweet' is applauded for being concise and straightforward, its antonyms can be used to describe anything that is unnecessarily long, complex, and challenging to follow.