Sea trips, or journeys taken across the ocean, can be described in many different ways. Some synonyms for sea trips include cruises, voyages, expeditions, excursions, tours, and passages. A cruise typically refers to a luxurious journey on a large vessel, while a voyage implies a longer and more epic adventure. Expeditions and excursions often include more exploration and adventure. Tours may be more structured and guided, while passages suggest a more utilitarian use of the sea to reach a destination. Other possible synonyms for sea trips include jaunts, odysseys, peregrinations, and safaris, depending on the tone and purpose of the journey.