Permanence is a term that refers to the state of lasting or enduring for an extended period of time. It can be used to describe a variety of different things, such as relationships, objects, and ideas. Crossword solutions for the term permanence include CONSTANCY (9 letters), CONTINUANCE (11 letters), CONTINUITY (10 letters), and PERPETUITY (10 letters). CONSTANCY refers to the quality of being unchanging or consistent over time. CONTINUANCE is the act of continuing or maintaining something over a period of time. CONTINUITY is the uninterrupted connection or union between two or more things. Finally, PERPETUITY is the state of existing forever or for an indefinite period of time.