Antonyms for the word "most playing" include least played, least popular, unpopular, sidelined, and neglected. These terms indicate an absence of attention or interest, suggesting that something is not getting the attention it deserves. For example, a particular game or sport may be considered "least played" if it is not popular with audiences, players, or fans. Similarly, a neglected musical instrument or hobby may be described as "sidelined" or "forgotten." In contrast to "most playing," these antonyms suggest a lack of enthusiasm or engagement, highlighting the importance of attention, support, and investment in an activity in order for it to thrive.