Bighearted typically refers to someone who is generous, kind, and compassionate. Antonyms for this word are those that signify the opposite traits. One such antonym is selfish, which indicates someone who is concerned only with their own interests and is unwilling to share or help others. Another antonym is greedy, which denotes someone who has an insatiable desire for wealth or possessions, often at the expense of others. Heartless is yet another antonym of bighearted, indicating a lack of compassion and empathy towards others. In contrast to bighearted, these antonyms paint a picture of individuals who are unkind, ungenerous, and uncompassionate.