Find Antonyms

lifetime Antonyms

Opposite of lifetime

Because the opposite of lifetime shifts with each meaning, the 11 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

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

Usage Example

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

Strongest
temporary
short-term
Strong
provisional
fleeting
transient

• noun (Context 2)

A very long period of time (used hyperbolically).

Usage Example

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

Strongest
instant
moment
second
Strong
flash
heartbeat
split second

Similar words to lifetime

Words similar to lifetime shift depending on context. Common synonyms include:

lifespan
life
eternity
lifelong
forever
ages
age
permanent
See all synonyms of lifetime

• Nearby Words

lifer
lifesaver
lifesaving
lifetime
lifework
lift
liftable

Cite this Entry

Wordmom. (2026). Antonyms for Lifetime. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/lifetime
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