Find Synonyms

lifetime Synonyms

Another word for lifetime

Choosing another word for lifetime depends on context, so the 20 synonyms and similar words below are separated across 4 exact definitions and ranked by match strength.
JUMP TO:

• noun (Context 1)

The duration of a person's life or existence.

Usage Example

"She accomplished more in a single lifespan than most people could ever imagine."

Strongest
lifespan
life
Strong
days
existence
time
Weak
career

• adjective (Context 2)

Lasting or valid for the entire duration of a person's life or the existence of an object.

Usage Example

"The company offers a lifelong warranty on all of its stainless steel cookware."

Strongest
lifelong
Strong
permanent
perpetual
lasting
enduring

• noun (Context 3)

The period of time during which a machine, organization, or phenomenon remains functional or in existence.

Usage Example

"Regular maintenance will significantly extend the operational lifespan of the engine."

Strongest
lifespan
life
Strong
longevity
shelf life
duration
span

• noun (Context 4)

A very long period of time (used hyperbolically).

Usage Example

"Waiting for the test results felt like an absolute eternity."

Strongest
eternity
forever
Strong
age
ages
eon

Opposites of lifetime

The opposite of lifetime shifts depending on context. Common opposites include:

instant
temporary
moment
second
short-term
flash
split second
heartbeat
See all opposites of lifetime

• Nearby Words

lifesaving
lifespan
lifestyle
lifetime
lifework
lift
liftable

Cite this Entry

Wordmom. (2026). Synonyms for Lifetime. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/lifetime
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.