easy
The bright green sky looked unnatural.
What does Unnatural mean?
Unnatural means not natural or not normal.
Dictionary definition
Unnatural means not natural, not normal, or not happening in the usual way.
Example sentences
Unnatural in a sentence
medium
The character's smile seemed unnatural because it did not match the sad news.
hard
In the experiment, an unnatural change in color suggested that something new had affected the sample.
Writing practice
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Quick practice
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Practice the meaning of Unnatural
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does unnatural mean?
Unnatural describes something that does not seem natural, normal, or usual.
Practice 2
Which word is closest in meaning to unnatural?
Artificial can be close in meaning when unnatural means not from nature.
Practice 3
Which word is a useful contrast for unnatural?
Natural is the direct contrast because unnatural means not natural.
Practice complete
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Pronunciation coach
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Unnatural
Voice settings
Sounds like
un · nach · er · ul · strongest beat: nach
Tap each sound part, then blend the whole word together.
Learn
WordUnnatural.
Partadjective.
MeaningUnnatural means not natural or not normal.
ExampleExample: The bright green sky looked unnatural.
Word breakdown
4 syllables. Say each part, then blend the word.
- Syllables
- un · nach · er · ul
- Strongest beat
- nach
- Ending
- ul
- Tip
- Put a little extra energy on nach.
Your turn
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Synonyms
Words like Unnatural
artificialUse when something is made or caused by people rather than nature.
strangeUse when something seems unusual or not expected.
Antonyms
Opposite words
Synonym practice
Want to practice unnatural synonyms in context? Try a Synonym Search question like "The robot bird moved in an unnatural way," then compare close word choices. Practice unnatural synonyms.
Word family
Unnatural word family
Base word
natural
adjective
unnatural
Not natural or not normal.
adverb
unnaturally
In a way that seems not natural.
Related words
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Student support
Understand Unnatural
Hint for students
Unnatural means something does not seem natural, normal, or expected. It can describe behavior, colors, sounds, changes, or movements.
Common mix-up
Do not use unnatural as a careless insult. In learning contexts, use it to describe something that does not fit the usual or natural pattern.
Try it in class or at home
Write one sentence that shows unnatural without using the word unnatural. Then underline the clue words that show something does not seem natural, normal, or expected. Example: The bird's song sounded like a robot instead of a living animal. Clue words: bird's song, robot, instead of, living animal Now try your own sentence. Ask: Does my sentence show something that does not seem natural or normal?
Teacher prompt
Ask students to explain this model sentence: "The character's smile seemed unnatural because it did not match the sad news." Why does unnatural fit better than natural?
Learning activities
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