She kept the medal for a lifetime.
What does Lifetime mean?
A lifetime is the whole span of a person’s life.
Dictionary definition
The period of time during a person’s life, or a very long time.
Lifetime in a sentence
A lifetime friendship can last for many years.
The biography described how one decision affected the inventor’s lifetime of work.
Ready to write your own? Study the examples, then practice lifetime in a sentence with Sentence Builder checklist feedback.
Practice the meaning of Lifetime
Answer three quick questions about its meaning and related words.
What does lifetime mean?
The correct answer matches the meaning of lifetime.
Which word is closest in meaning to lifetime?
Lifespan is close in meaning to lifetime.
Which word is an opposite or strong contrast for lifetime?
Moment contrasts with lifetime.
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You completed 3 questions.
Lifetime
Voice settings
lyfe · time · strongest beat: lyfe
2 syllables. Say each part, then blend the word.
- Syllables
- lyfe · time
- Strongest beat
- lyfe
- Ending
- time
- Tip
- Put a little extra energy on lyfe.
Say Lifetime
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Words like Lifetime
Opposite words
Want to practice lifetime synonyms in context? Try a Synonym Search question like "The butterfly's lifespan is shorter than a turtle's," then compare close word choices. Practice lifetime synonyms.
Lifetime word family
lifetime
lifetime
Base form.
lifetimes
More than one lifetime.
Explore related words
Understand Lifetime
A lifetime is the whole span of a person’s life.
Lifetime is not the same as moment. Lifetime means a lifetime is the whole span of a person’s life.
Read this model sentence: A lifetime friendship can last for many years. Clue words: friendship, last, many. Underline clue words that show why lifetime fits instead of moment. Now write one new sentence that shows lifetime without using the word lifetime. Ask: Does my sentence clearly show lifetime?
Ask students to explain this model sentence: "A lifetime friendship can last for many years." Why does lifetime fit better than moment?
Practice Lifetime and explore more word games
Cards labelled “Practice LIFETIME” keep this word in focus. Explore cards open games with other words.

Sentence Builder
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Spell Hive
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Vocabulary Match
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Context Clue Challenge
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Synonym Search
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Scrambled Bees
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