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Enduring forever; eternal.

[Middle English, from Old French sempiternel, from Late Latin sempiternālis, from Latin sempiternus : semper, always; see sem- in Indo-European roots + aeternus, eternal; see aiw- in Indo-European roots.]

sem′pi·ter′ni·ty (-nĭ-tē) n.


literary everlasting; eternal
[C15: from Old French sempiternel, from Late Latin sempiternālis, from Latin sempiternus, from semper always + aeternus eternal]
ˌsempiˈternally adv
sempiternity n


(ˌsɛm pɪˈtɜr nl)

everlasting; eternal.
[1400–50; < Late Latin sempiternālis < Latin sempitern(us) everlasting (semp(er) always)]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.sempiternal - having no known beginning and presumably no end; "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth"
infinite - having no limits or boundaries in time or space or extent or magnitude; "the infinite ingenuity of man"; "infinite wealth"


Without beginning or end:


[ˌsempɪˈtɜːnl] ADJsempiterno


adj (liter)immerwährend (liter)
References in classic literature ?
The moment he produced the glittering earbobs, the whimpering and whining of the sempiternal beldame was at an end.
Sea of Serenity, Sea of Tranquillity, Ocean of the Lunar Storms, merged into one lucent drop, itself to slip into the sempiternal dawn.
The one thing which we seek with insatiable desire is to forget ourselves, to be surprised out of our propriety, to lose our sempiternal memory and to do something without knowing how or why; in short to draw a new circle.
The Berlin Declaration, a document with sempiternal relevance, should hopefully change the lives of millions of people currently affected by diabetes.
MUSIC Bring Me The Horizon Their 2013 album Sempiternal was a huge, genre-splicing collection that set out their stall as the most ambitious of modern metal bands.
After the huge success of their 2013 album Sempiternal, Bring Me The Horizon had perhaps set the bar too high.
51) This does not require a distinction between temporal and atemporal existence, or between eternal and sempiternal existence, but it does seem to require at minimum a distinction between tensed and untensed assertions.
Sykes was reportedly annoyed because Coldplay's cover for A Head Full of Dreams album is similar to BMTH's Sempiternal.
Teaching as a profession is fraught with sempiternal difficulty as it is a profession that does not claim just time and energy but brings with itself an immense responsibility of building futures.
East Coker" I) Between midnight and dawn, when the past is all deception, The future futureless, before the morning watch When time stops and time is never ending ("Dry Salvages" I) Midwinter spring is its own season Sempiternal though sodden towards sundown, Suspended in time between pole and tropic.
Antonakos always understood the sempiternal significance of the icon (he was also a friend of the Jesuit Byzantinist Thomas F Mathews).
After impressive summer performances at Leeds/Reading they popped over to LA to shoot the video for Can You Feel My Heart, the new single lifted from their Sempiternal album.