ocean Definition

a very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.

Using ocean: Examples

Take a moment to familiarize yourself with how "ocean" can be used in various situations through the following examples!

  • Example

    The Pacific Ocean is the largest ocean in the world.

  • Example

    The Atlantic Ocean separates Europe and Africa from the Americas.

  • Example

    The Indian Ocean is known for its warm waters and diverse marine life.

ocean Synonyms and Antonyms

Synonyms for ocean

Idioms Using ocean

  • a very small amount compared to what is needed or expected


    The donation was appreciated, but it was just a drop in the ocean compared to the amount needed for the project.

  • a profound or notable transformation


    The company underwent a sea change after the new CEO took over.

  • to consider a wide range of possibilities or options


    When job hunting, it's important to cast your net wide and apply to many different positions.

Phrases with ocean

  • the bottom of the ocean, including the continental shelves, abyssal plains, and mid-ocean ridges


    Scientists have discovered new species living on the ocean floor.

  • ocean currents

    a continuous, directed movement of seawater generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, and temperature and salinity differences


    The Gulf Stream is a powerful ocean current that affects weather patterns in North America and Europe.

  • a large passenger ship designed for ocean travel, especially between ports on different continents


    The Titanic was one of the most famous ocean liners of all time.


Summary: ocean in Brief

The term 'ocean' [ˈəʊʃ(ə)n] refers to a vast expanse of seawater, divided into several geographic regions. It is home to diverse marine life and is characterized by features like the ocean floor and ocean currents. Phrases like 'ocean liner' denote ships designed for long-distance ocean travel, while idioms like 'a drop in the ocean' express smallness in comparison to a larger whole.

How do native speakers use this expression?