[ sem-pi-tur-nl ]
/ ˌsɛm pɪˈtɜr nl /

adjective Literary.

everlasting; eternal.

Origin of sempiternal

1400–50; late Middle English < Late Latin sempiternālis, equivalent to Latin sempitern(us) everlasting semp(er) always + -i- -i- + -ternus suffix of temporal adjectives; see eterne) + -ālis -al1
Related formssem·pi·ter·nal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sempiternal

British Dictionary definitions for sempiternal


/ (ˌsɛmpɪˈtɜːnəl) /


literary everlasting; eternal
Derived Formssempiternally, adverbsempiternity (ˌsɛmpɪˈtɜːnɪtɪ), noun

Word Origin for sempiternal

C15: from Old French sempiternel, from Late Latin sempiternālis, from Latin sempiternus, from semper always + aeternus eternal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sempiternal



c.1400, from Old French sempiternel "eternal, everlasting" (13c.) or directly from Late Latin sempiternalis, from Latin sempiternus "everlasting," from semper "always, ever" (see semper-) + aeternus "eternal" (see eternal). Related: Sempiternally.

Online Etymology Dictionary, © 2010 Douglas Harper