"Terminal dates" refers to the final or ultimate deadline of a specific event or task. There are numerous synonyms for this phrase, including "end date," "closing date," "expiration date," "completion deadline," "final date," and "cut-off date." Each of these phrases emphasizes the finality of the event or task, and the sense of urgency that surrounds it. These synonyms are helpful for individuals looking to convey a clear and concise message regarding the timeline of a project, task, or event. Knowing the various synonyms of "terminal dates" can help individuals communicate effectively, and ensure that everyone involved in a project or task is aware of the final deadline.