"Loved up" is a slang term used to describe people who are in a state of deep romantic love with their partners. Antonyms for "loved up" could include terms like "heartbroken," "lonely," "unattached," "single," "unloved," "unromantic," "indifferent," "apathetic," "detached," and "disinterested." These words suggest the opposite of love or affection and describe people who are not in a happy relationship. While "loved up" implies a positive emotion, the antonyms show that not everyone experiences this feeling, and sometimes love can create negative emotions when not reciprocated. Antonyms for words like "loved up" can help us understand the full range of emotions and situations people experience in relationships.