easy
In social studies, we learned the word plain.
What does Plain mean?
wide, mostly flat land.
Dictionary definition
A large area of mostly flat land.
Example sentences
Plain in a sentence
medium
Our class map showed how plain helps describe location and land.
hard
The passage uses plain to explain real-world geography in simple school language.
Writing practice
Ready to write your own? Study the examples, then practice plain in a sentence with Sentence Builder checklist feedback.
Commonly confused words
Plain or plane?
Compare the meanings, then choose a word for each new sentence.
Plain
Simple or undecorated; also obvious or a broad flat area of land.
In a sentence She chose a plain notebook.
Plane
An aircraft; also a flat surface in geometry.
In a sentence The plane flew above the clouds.
Spot the difference Plain can mean simple or obvious, or a broad area of flat land. Plane can mean an aircraft or a flat surface.
Which word fits?
Choose plain or plane for each blank. Say your answer, then check why it fits.
1Use ___ paper with no lines or pictures.
Check answer 1
plain — The paper is undecorated.
2The pilot landed the ___ safely.
Check answer 2
plane — The sentence names an aircraft.
Make it your ownTry the word in a sentence about your day.
Write a sentence with plainQuick practice
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Practice the meaning of Plain
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does plain mean?
Plain means wide, mostly flat land.
Practice 2
Which sentence uses plain correctly?
The correct sentence uses plain in context.
Practice 3
Which word is closest in meaning to plain?
Flatland is close in meaning to plain.
Practice complete
Nice work!
You completed 3 questions.
Pronunciation coach
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Plain
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PLAYN
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PLAYN
Learn
WordPlain.
Partnoun, adjective.
MeaningPlain means wide, mostly flat land.
ExampleExample: In social studies, we learned the word plain.
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Nice work—you practiced plain.
Synonyms
Words like Plain
Antonyms
Opposite words
mountainOpposite or contrasting meaning.
fancyOpposite or contrasting meaning.
Synonym practice
Want to practice plain synonyms in context? Try a Synonym Search question like "The cook used plain rice with the spicy dish," then compare close word choices. Practice plain synonyms.
Word family
Plain word family
Base word
plain
noun
plains
Plural form.
Related words
Explore related words
Student support
Understand Plain
Hint for students
wide, mostly flat land.
Common mix-up
Plain is not the same as mountain. Plain means wide, mostly flat land.
Try it in class or at home
Read this model sentence: Our class map showed how plain helps describe location and land. Clue words: land, class, map. Underline clue words that show why plain fits instead of mountain. Now write one new sentence that shows plain without using the word plain. Ask: Does my sentence clearly show plain?
Teacher prompt
Ask students to explain this model sentence: "Our class map showed how plain helps describe location and land." Why does plain fit better than mountain?
Learning activities
Practice Plain and explore more word games
Cards labelled “Practice PLAIN” keep this word in focus. Explore cards open games with other words.
Practice PLAIN
Sentence Builder
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Write a sentence with PLAIN
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