The antonyms for the word "unpraiseworthy" are numerous as it is a negative term used to describe something that is not worthy of admiration or praise. Some possible antonyms include admirable, praiseworthy, commendable, laudable, commendable, excellent, praiseful, honorable, meritorious, worthy, and respectable. Each of these antonyms carries a positive connotation and implies that the person, behavior or event being described is deserving of recognition, appreciation, and respect. Using the antonyms of "unpraiseworthy" can help to emphasize the positivity of a particular situation or action and help to elevate it to a deserving level of praise and recognition.