Jealousy is a powerful emotion that arises when someone feels threatened or envious of someone else's success, possessions, or relationships. It can manifest in different ways such as resentment, covetousness, or envy. When we want to communicate about this emotion, we might use phrases like "was envious," "felt insecure," "green-eyed," or "covetous." Other synonyms for "was jealous" include "showed possessiveness," "was resentful," and "was suspicious." In essence, the use of synonyms for jealousy can help us express the depth and complexity of our emotional experiences, and communicate our thoughts and feelings with more precision and clarity.