Find Antonyms

eternity Antonyms

Opposite of eternity

Because the opposite of eternity shifts with each meaning, the 12 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• noun (Context 1)

Infinite or unending time; the state of existing outside of or beyond the limits of time.

Usage Example

"Philosophers and physicists have long debated the nature of time and the concept of transience."

Strongest
transience
impermanence
ephemerality
Strong
temporality
finitude
mortality

• noun (Context 2)

A period of time that seems endless, especially because of boredom, anxiety, or anticipation.

Usage Example

"We waited for what felt like an instant before the test results finally arrived."

Strongest
instant
moment
split second
second
Strong
flash
heartbeat

• noun (Context 3)

A state of existence to which time has no application; the timeless realm or afterlife following death.

Usage Example

"Many religious traditions teach that the human soul passes into mortality after physical death."

Strong
mortality
temporality

Similar words to eternity

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

infinity
perpetuity
hereafter
afterlife
eon
forever
eternal life
endlessness
See all synonyms of eternity

• Nearby Words

eternalize
eternally
eternalness
eternity
ether
ethereal
ethereally

Cite this Entry

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