One who hates. / (slang, derogatory) One who expresses unfounded or inappropriate hatred or dislike, particularly if motivated by envy.

plural of hater

(African-American Vernacular, slang) Hatred, hostility, animus.

(African-American Vernacular, slang, derogatory) One who resents another person's success.

plural of player hater

alternative form of womanhater

alternative form of womanhater, a misogynist.

Alternative form of player hater

plural of player-hater

(slang) Critics' opinions ultimately do not affect you and are unlikely to change, so ignore them.