Word Type

Adjective

Adjective

Noun

The word "eternal" can be used as adjective, adjective and noun.

Word Relationships

Opposites (Antonyms)

ephemeral

Derived Terms

Eternal September coeternal crater of eternal darkness eternal black hole eternal life eternal marriage eternal now eternal recurrence eternal rest eternal return eternal sin eternal sleep eternal triangle eternalism eternalist eternality eternalize eternally eternalness hope springs eternal hope springs eternal in the human breast life eternal noneternal on eternal patrol peak of eternal light supereternal uneternal

Context

philosophy

Narrower Terms (Hyponyms)

ageless coeternal deathless everflowing immortal never-dying unfading

Related Terms

boundless ceaseless continual continuous eternalize eternity incessant infinite interminable limitless unceasing unlimited

Related Terms

adjective always everlasting everlastingly flame forever forever adjective forever life life sempiternal unending

Similar Terms

lasting long permanent

Synonym Network

interminable perpetual timeless unending

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.