easy
The dolphin jumped out of the water.
What does Dolphin mean?
A dolphin is a smart sea mammal.
Dictionary definition
A smart sea mammal with a smooth body that often lives and swims in groups.
Example sentences
Dolphin in a sentence
medium
A dolphin uses sounds to communicate with other dolphins.
hard
Scientists study dolphin behavior because these animals are social and intelligent.
Writing practice
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Quick practice
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Practice the meaning of Dolphin
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What is a dolphin?
A dolphin is a smart sea mammal that often lives and swims in groups.
Practice 2
Which sentence uses dolphin correctly?
This sentence uses dolphin to mean the sea mammal.
Practice 3
Which fact is true about a dolphin?
A dolphin is a marine mammal, not a fish.
Practice complete
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You completed 3 questions.
Pronunciation coach
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Dolphin
Voice settings
Sounds like
dol · fin · strongest beat: dol
Tap each sound part, then blend the whole word together.
Learn
WordDolphin.
Partnoun.
MeaningDolphin means A dolphin is a smart sea mammal.
ExampleExample: The dolphin jumped out of the water.
Word breakdown
2 syllables. Say each part, then blend the word.
- Syllables
- dol · fin
- Strongest beat
- dol
- Ending
- fin
- Tip
- Put a little extra energy on dol.
Your turn
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Synonyms
Words like Dolphin
sea mammalA broader phrase for ocean mammals such as dolphins.
marine mammalA science term for mammals that live in the ocean.
Antonyms
Opposite words
land animalA contrast for an animal that lives mostly on land.
fishA dolphin is a mammal, not a fish.
Synonym practice
Want to practice dolphin synonyms in context? Try a Synonym Search question like "The dolphin leaped above the waves," then compare close word choices. Practice dolphin synonyms.
Word family
Dolphin word family
Base word
dolphin
noun
dolphins
More than one dolphin.
Related words
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Student support
Understand Dolphin
Hint for students
A dolphin is an intelligent sea mammal with a curved mouth and smooth body.
Common mix-up
A dolphin is not a fish. It is a mammal, so it breathes air and feeds milk to its young.
Try it in class or at home
Write one sentence that shows dolphin without using the word dolphin. Model sentence: The gray sea mammal jumped through the waves and clicked underwater. Clue words: gray sea mammal, jumped, waves, clicked underwater Now try your own sentence. Ask: Does my sentence show the air-breathing sea mammal?
Teacher prompt
Ask students to explain this model sentence: 'The dolphin leaped out of the ocean beside the boat.' Why does dolphin fit better than shark?
Learning activities
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