aionios describes life most often, and also glory, salvation, judgment, and fire as enduring beyond what is temporal.

The adjective most often qualifies life in clauses about receiving, having, inheriting, or being called to it. It also characterizes glory, salvation, covenant, kingdom, and other realities set against what is temporal, while appearing with destruction, judgment, and fire in punitive contexts.

1. Life received, possessed, or awaited · dominant

   The accusative feminine form repeatedly occurs in clauses concerning life: in John 3:16 the APB renders the result for the one trusting in the Son as having "eternal life," and in John 5:24 it renders the believer as having it rather than coming into judgment. John 17:3 identifies this life with knowing the only true God and the one sent, Jesus Christ; Acts 13:48 likewise places it in the clause about those who believed.

   John 3:16John 5:24John 17:3Acts 13:481 John 5:11Galatians 6:8
2. Enduring glory, salvation, and divine benefits · common

   The term qualifies several beneficial or divine realities beyond life itself. In 2 Corinthians 4:17 the APB renders an "eternal weight of glory," in Hebrews 5:9 it renders "eternal salvation," and in Hebrews 9:15 it renders a promised "eternal inheritance." In 2 Corinthians 4:18, the plural neuter form occurs in the contrast between seen things described as temporal and unseen things rendered "eternal."

   2 Corinthians 4:172 Corinthians 4:18Hebrews 5:9Hebrews 9:152 Peter 1:111 Peter 5:10
3. Enduring punitive outcomes · occasional

   The adjective also qualifies consequences of judgment. In Matthew 18:8 and Matthew 25:41, the APB renders the destination as "eternal fire," while 2 Thessalonians 1:9 renders the penalty as "eternal destruction." Jude 1:7 similarly places the genitive neuter form with punishment by fire.

   Matthew 18:8Matthew 25:412 Thessalonians 1:9Jude 1:7Hebrews 6:2

In the Anselm Project Bible: Across the supplied verses, the APB usually presents the adjective with "eternal," especially in phrases concerning life, glory, salvation, fire, and judgment. It also renders the contrast in 2 Corinthians 4:18 as "temporal" and "eternal" and has "before the ages of time" in 2 Timothy 1:9.