Antonyms for the word "appreciators" are individuals who don't appreciate or understand the value of something or someone. These people might be disapproving, ungrateful, indifferent, or even disrespectful towards things that deserve appreciation. For example, people who are unappreciative cannot acknowledge the hard work and efforts of others, whereas, people who appreciate others' efforts and work are called "appreciators." Not everyone can appreciate things in life, and some people might have a negative attitude towards things. Therefore, it's essential to be grateful for what we have and learn to appreciate the good things in life.