The English language is filled with a rich vocabulary and there are many synonyms for the word "not succinctly." Some of these include verbose, wordy, prolix, long-winded, rambling, and circumlocutory. Whether it is in writing or in speech, the use of these synonyms can help to convey a message that is more coherent and concise. However, it is important to note that the use of these synonyms should be done with care and consideration. One should ensure that they are not sacrificing the clarity of their message, or detracting from its intended impact, by using overly complex or obscure terminology.