Perdured means to persist or endure for a long time. Its antonyms are fleeting, short-lived, transient, impermanent, and momentary. Fleeting means something that passes quickly, short-lived means brief or temporary, transient refers to something passing through with no permanent impact, impermanent implies that something is not permanent and will eventually come to an end, and momentary means something that happens in a very short period of time. These antonyms convey the opposite meaning of perdured, indicating things that are temporary, brief, and passing. The antonyms of perdured help to describe fleeting moments, experiences that last only temporarily, and things that do not last long.