The Greek Word "Aionios" and its "Eternal" Meaning
The 48 citations bellow are taken from some of the most scholarly and respected Greek Lexicons, Greek Dictionaries, Greek-English Interlinears, Greek Manuals, Greek Linguistic keys, New Testament word studies, Bible Dictionaries, Bible Encyclopedias, each support "Aionios" meaning as endless (using such terms as: endless, eternal, everlasting, and perpetual)
"...eternal,...(a) of that which is without either beginning or end; Ro 16:26, He 9:14; (b) of that which is without beginning: Ro 16:25, II Ti 1:9, *** 1:2; (c) of that which is without end." (A Manual Lexicon of the New Testament, by G Abbott- Smith D.D, D.C.L., 1929, p. 15)
"Aionios is the usual word for eternal, everlasting. Literally it means age-long. Since an age is the longest time which the human mind can conceive clearly, Aionios came to be used for infinity of time, whether conceived as unending duration, or as existence in which past and future are always present" (The Zondervan Pictorial Bible Dictionary, General Editor Merril C. Tenney, 1967, P. 262)
"Eternal, Greek expression Aionios" (Holman Treasury of Key Bible Words, by Eugene E. Carpenter, 2000, p.275)
"Aionios . . . indeterminate as to duration, eternal, everlasting" (Greek and English Lexicon to the New Testament, By Rev. Thomas Sheldon Green M.A., 1973, p. 5)
Gr. aionios eternal; aion eternal
In the NT, aionios is used as eternal damnation, eternal life, eternal purpose, the King eternal, and so on. (The Zondervan Pictorial Encyclopedia of the Bible, Edited by Merrill C Tenney, 1976, Vol. 2, p 380-381)
"Aionios. . . ov eternal. . .3. with out end" (A Greek-English Lexicon of The New Testament and Other Early Christian Literature, by Frederick W. Danker, Walter Bauer, William Arndt, 1979, p. 28)
"aionios is an adjectival form derived from aion , above, with the principal meanings 'eternal,' 'everlasting.' The meaning 'eternal' in the sense of 'unending' is found in relation to the judgment of hell fire in Mat. 18: 8; 25:41." (Expository Dictionary of Bible Words, by Stephen D. Renn, 2005, p.341)
"aionios... we must note that outside the New Testament, in the vernacular as well as in classical Greek (see Grimm-Thayer), it never loses the sense of perpetuus." (Treasures From The Greek New Testament, by Kenneth S. Wuest, 1969 p.35)
"Aionios . . . ever-lasting, eternal" (An Intermediate Greek - English Lexicon, by Liddell and Scott, Oxford, impression of 1991, p. 25)
"The Greek word for 'eternal' is Aionios" (New International Encyclopedia of Bible Words, by Lawrence O. Richards Th.M. Ph.D. , 1991, p. 250)
"166. Aionios . . . 3. Without end, never to cease, everlasting" (New Thayer's Greek- English Lexicon to the New Testament, By Joseph Henry Thayer D.D, 1979, p.20)
"Aionios. . . Without end, never to cease, everlasting" (Greek- English Lexicon to the New Testament, by W.J. Hickie M.A, 1945, p. 6)
"Aionios. . . Eternal, perpetual, forever, endless, ageless, dateless, timeless, everlasting, infinite, permanent, ceaseless." (Practical Word Studies in the New Testament, 1998, Vol.1, p.700)
"This is the first use in Matthew of Aionios. . . .The word means ageless, without beginning or end as of God (Rom. 16:z6), without beginning as in Rom. 16:25, without end as here and often." (Word Pictures in the New Testament, by A. T. Robertson, 1930, Vol. 1, p.147)
Jude 7 "Aionios. . . Eternal" [The Interlinear Greek- English New Testament, by Alfred Marshall D. Litt., 1975, p.721]
"Forever (eis tous aionios) is eternity as well as the Greek can say it" (Word Pictures in the New Testament, by A. T. Robertson, 1930, Vol. 5, p. 447) Heb 13:8
"The word aionios (from aion, age, aevum, aei) means either without beginning or without end or both. It comes as near to the idea of eternal as the Greek can put it in one word. It is a difficult idea to put into language." (Word Pictures in the New Testament, by A. T. Robertson, 1930, Vol. I, p. 202)
"aionios the meaning 'eternal,' 'everlasting." (Elwells Evangelical Dictionary, by Walter A. Elwell, from CD ROM)
"Furthermore (eis tous aionios tôn aionon). Unto the ages of the ages, a stronger expression of eternity even than in #1:6." (Word Pictures in the New Testament, by A. T. Robertson, 1930, Vol. 6, p. 294)
"The duration of hell is explicitly indicated in the NT. The word "everlasting" (aionios)" (The Zondervan Pictorial Bible Dictionary, General Editor Merril C. Tenney, 1967, P.347)
"Aionios . . . indeterminate as to duration, eternal, everlasting" (The Analytical Greek Lexicon, By By Harold K. Moulton,1978, P.382)
"Aionios age-long, and therefore, eternal, unending " (A Pocket Lexicon To The Greek New Testament, by Alexander Souter M.A., 1946, P. 9)
Jude 7 "Aionios. . . Eternal" [The Interlinear Greek- English New Testament, by Goerge Ricker Berry, Ph.D., 1976, p.621]
"Aionios adj. eternal, everlasting. ... (c) with out end" (The New Englishman's Greek Concordance and Lexicon, by Wigram - Green, 1982, p. 24)
"Aionios . . . 3. Without end, never to cease, everlasting" (The New Testament Greek Lexicon, online)
"The phrase "for ever and ever" (eis tous aionas aionon) occurs 20 times in N. T.: 16 times of God, once of the saints future blessedness, the three remaining of the punishment of the wicked and of the evil one; is it likely it is used 17 times of absolute eternity. . . . The term for everlasting (aidiois) in Jude 6." (Bible Cyclopedia, By The Rev. A. R. Fausset, M. A., 1909,Page 281)
"The wicked are cast down into Go (Mt 5 29 f., 10 29; Mk 9 43). Sometimes, ho the place of punishment is called outer der (Mt 8 12), or a place where there are wailing gnashing of teeth (Mt 22 13, 24 si), a place of punishment (Lk 16 23) and of unquenchable fire. (Mk 45). Of the duration of this punishment, all may be said is that it is eternal (Aionios... ) just as its counterpart is eternal life for the righteous (Mt 25 46, everlasting AV)." (The New Standard Bible Dictionary, Edited by Melancton W. Jacobus D.D., printed by Funk and Wagnalls Company, 1936, P. 224)
Jude 7 "Aionios. . . Eternal" [The New Greek- English Interlinear New Testament, by Robert K. Brown, Philip W. Comfort and J.D. Douglas, 1990, p. 848]
"Aionios: perpetual ... eternal, for ever, everlasting," (The New Stong's Complete Dictionary of Bible words, 1996, p.571)
"Aionios; Eternal, Everlasting" (The New Linguistic and Exegetical Key To The Greek New Testament by Cleon L. Rodgers III, printed by Zondervan Publishing house, 1998, p.606 )
"Aionios . . . 3. Without end, never to cease, everlasting" (The KJV New Testament Greek Lexicon, online)
"Aionios . . . Moreover it is used of persons and things which are in their nature endless, as, e.g., of God, Rom. 16:26; of His power, 1 Tim. 6:16, and of His glory, 1 Pet. 5:10; of the Holy Spirit, Heb. 9:14; of the redemption effected by Christ, Heb. 9:12, and of the consequent salvation of men, 5:9, as well as of His future rule, 2 Pet. 1:11, which is elsewhere declared to be without end, Luke 1:33; of the life received by those who believe in Christ, John 3:16, concerning whom He said, 'they shall never perish,' 10:28, and of the resurrection body, 2 Cor. 5:1, elsewhere said to be 'immortal,' 1 Cor. 15:53, in which that life will be finally realized, Matt. 25:46; Titus 1:2. "Aionios is also used of the sin that 'hath never forgiveness,' Mark 3:29, and of the judgment of God, from which there is no appeal, Heb. 6:2, and of the fire, which is one of its instruments, Matt. 18:8; 25:41; Jude 7, and which is elsewhere said to be 'unquenchable,' Mark 9:43. "The use of aionios here shows that the punishment referred to in 2 Thess. 1:9, is not temporary, but final, and, accordingly, the phraseology shows that its purpose is not remedial but retributive. " (Vines Expository Dictionary of New Testament Words, unabridged edition, by W. E. Vine M.A., printed by Riverside Book and Bible House, p. 383)
Jude 7 "Aionios. . . Eternal" [The New Interlinear Bible Greek- English, by Jay P. Green Sr., 2005,Vol. IV p. 653]
"Aionios, the adjective corresponding, denoting 'eternal,' is set in contrast with proskairos, lit., 'for a season,' 2 Cor. 4:18. It is used of that which in nature is endless, as, e.g., of God, Rom. 16:26, His power, 1 Tim. 6:16, His glory, 1 Pet. 5:10, the Holy Spirit, Heb. 9:14, redemption, Heb. 9:12, salvation, 5:9, life in Christ, John 3:16, the resurrection body, 2 Cor. 5:1, the future rule of Christ, 2 Pet. 1:11, which is declared to be without end, Luke 1:33, of sin that never has forgiveness, Mark 3:29, the judgment of God, Heb. 6:2, and of fire, one of its instruments, Matt. 18:8; 25:41; Jude 7. "(Vines Expository Dictionary of New Testament Words, unabridged edition, by W. E. Vine M.A., printed by Riverside Book and Bible House, p. 383)
Jude 7 "Aionios. . . Everlasting" [The Kingdom Interlinear Translation of the Greek Scriptures, 1969, p.1070]
"Aionios; 1. very long time, eternity" (Shorter Lexicon of the Greek New Testament, by F. Wilbur Gingrich, printed by The university of Chicago Press, 1965, p.6-7 )