Sempervirent is a Latin word that is used to describe plants that remain green throughout the year. While this term is a great way to describe these evergreen plants, there are other synonyms that can be used in place of sempervirent. For example, the words evergreen, perennial, and always green can be used to describe these plants. Other words that could be used to describe sempervirent plants include permanent, persistent, unchanging, and enduring. Regardless of which synonym is used, these words all encapsulate the idea of a plant that maintains its greenery year-round.