seafront noun2 •The seashore, the coast.Visit the Jurassic Coast World Heritage Site in the UK, and ammonite road signs greet you at every town and city and even the lampposts on the seafront feature a familiar coiled shell. — 2017 •The waterfront of a seaside town.A new £3.6 million footbridge has reconnected residents of Cleethorpes with the seafront, after the level crossing was closed in April 2019 for safety reasons. — 2022 formsseafronts