1
a
: the duration of the existence of a living being (such as a person or an animal) or a thing (such as a star or a subatomic particle)
b
2
: an amount accumulated or experienced in a lifetime
a lifetime of regrets
1
: lifelong
2
: of long duration or continuance
lifetime legislation
3
: measured or achieved over the span of a career
a baseball player's lifetime batting average
Synonyms
Examples of lifetime in a Sentence
Noun
a lifetime spent traveling the world
It would have taken me a lifetime to read all those books.
Childhood seems a lifetime ago now!
a chemical with a lifetime of only a few minutes
the lifetime of a planet
Recent Examples on the Web
Hugh McIntyre, Forbes, 25 Oct. 2024
Parton, a 10-time Grammy winner who also received a lifetime achievement award from the Recording Academy in 2011, will be celebrated on Friday (Oct. 25) at the Grammy Museum in Los Angeles.
—Paul Grein, Billboard, 25 Oct. 2024
Stephan Rabimov, Forbes, 24 May 2021
In addition to keynote speeches, panel discussions, workshops and networking, the 2019 Music Biz conference will again take time to recognize both recent and lifetime achievements.
—Gary Graff, Billboard, 29 Apr. 2019
See all Example Sentences for lifetime 
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Noun
Throughout its years-long lifetime, the track has sold a little more than 11,500 copies in America alone.
—Hugh McIntyre, Forbes, 25 Oct. 2024
Parton, a 10-time Grammy winner who also received a lifetime achievement award from the Recording Academy in 2011, will be celebrated on Friday (Oct. 25) at the Grammy Museum in Los Angeles.
—Paul Grein, Billboard, 25 Oct. 2024
Adjective
Getting an Emmy award is a lifetime dream for many.
—Stephan Rabimov, Forbes, 24 May 2021
In addition to keynote speeches, panel discussions, workshops and networking, the 2019 Music Biz conference will again take time to recognize both recent and lifetime achievements.
—Gary Graff, Billboard, 29 Apr. 2019
See all Example Sentences for lifetime
Dictionary Entries Near lifetime
Cite this Entry
“Lifetime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifetime. Accessed 7 Nov. 2024.
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