The word "chummed with" is an informal phrase that means to become close friends or companions with someone. Its antonyms, or opposite words, include "distanced from," "ignored," "hated," "disliked," "excluded," and "ignored." These words represent a lack of connection, communication, and affection between individuals. People who distance themselves or are excluded from others may feel lonely, rejected, or isolated. It is important to strive for positive relationships with those around us, being mindful and respectful of others' differences and boundaries. Building healthy connections can lead to a happier, more fulfilling life for everyone involved.