easy
The boat moved across the calm sea.
What does Sea mean?
a large area of salty water.
Dictionary definition
A large area of salty water, smaller than an ocean or part of an ocean.
Example sentences
Sea in a sentence
medium
Many animals live below the surface of the sea.
hard
The map showed how the sea connects nearby countries and affects their weather.
Writing practice
Ready to write your own? Study the examples, then practice sea in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Sea
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does sea mean?
A sea is a large body of salty water.
Practice 2
Which word is a useful contrast for sea?
Land contrasts with sea because land is dry ground.
Practice 3
Which sentence uses sea correctly?
The correct sentence uses sea in context.
Practice complete
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You completed 3 questions.
Pronunciation coach
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Sea
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SEE
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Learn
WordSea.
Partnoun.
MeaningSea means a large area of salty water.
ExampleExample: The boat moved across the calm sea.
Your turn
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Nice work—you practiced sea.
Synonyms
Words like Sea
ocean waterUse when talking about salty water connected to an ocean.
saltwaterUse for water that contains salt, like the sea.
Antonyms
Opposite words
landLand is a useful contrast because it is dry ground, not water.
freshwaterFreshwater contrasts with sea water because it has little salt.
Synonym practice
Want to practice sea synonyms in context? Try a Synonym Search question like "The boat sailed across the sea," then compare close word choices. Practice sea synonyms.
Word family
Sea word family
Base word
sea
noun
seas
More than one sea.
noun
seaside
The area beside the sea.
noun
seawater
Water from the sea.
Related words
Explore related words
Student support
Understand Sea
Hint for students
a large area of salty water.
Common mix-up
Sea is not the same as land. Sea means a large area of salty water.
Try it in class or at home
Read this model sentence: Many animals live below the surface of the sea. Clue words: many, animals, live. Underline clue words that show why sea fits instead of land. Now write one new sentence that shows sea without using the word sea. Ask: Does my sentence clearly show sea?
Teacher prompt
Ask students to explain this model sentence: "Many animals live below the surface of the sea." Why does sea fit better than land?
Learning activities
Practice Sea and explore more word games
Cards labelled “Practice SEA” keep this word in focus. Explore cards open games with other words.
Practice SEA
Sentence Builder
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Write a sentence with SEA
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Context Clue Challenge
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