Synonyms of lifetime

lifetime

noun

ˈlīf-ˌtīm 

as in duration

the period during which something exists, lasts, or is in progress

the lifetime of the camera's batteries was so short we couldn't get through a day trip without having to replace them

Synonyms & Similar Words

• duration
• lifespan
• time
• life
• continuance
• date
• span
• standing
• run
• term
• tenure
• longevity
• tour
• stretch
• spell
• hitch
• age
• half-life
• turn

Example Sentences

Recent Examples of lifetime

The city projects the system will save nearly $10 million in electricity costs over its lifetime. — Kurt Knutsson, FOXNews.com, 10 Sep. 2026

But no need to be jealous because that was not a once-in-a-lifetime opportunity. — Jennet Jusu, Allure, 10 Sep. 2026

The cancer makes up only 2% of cancer cases in the UK, where people have around a 1% lifetime risk of being diagnosed with it, according to Cancer Research UK. — Amarachi Orie, CNN Money, 10 Sep. 2026

Hopefully, your customer lifetime value bails you out in the form of repeat orders, subscriptions, upsells and referrals. — Bar Maimon, Forbes.com, 9 Sep. 2026