Out to sea Definition 1 of 3Pro Tip 1/3Physical Movement Refers to actual movement from land towards the ocean. We watched as the ship set out to sea. Pro Tip 2/3Starting a Journey Often used to describe the beginning of a maritime journey or adventure. The pirate crew was anxious as they headed out to sea. Pro Tip 3/3Literal Use Can be used literally to talk about objects or people moving off-shore. The kayakers paddled out to sea, leaving the beach behind.