Definition of sempiternal in English:

sempiternal

adjective

literary
  • Eternal and unchanging; everlasting.

    ‘the sempiternal sadness of the industrial background’
    • ‘He knew they constituted the unbreakable and sempiternal circle.’
    • ‘In another sense, it means that God is sempiternal, namely, a being existing throughout time but whose duration is successive and for whom there is a before and an after.’
    • ‘There is throughout more than a hint of the Joycean conceit that this process is giratory and sempiternal, even though its temporal vector may be historically irreversible.’
    • ‘I get the Bishop Berkeley idea that things only exist when God thinks about them; that God is not sempiternal but only exists when some people think about him is bizarre.’
    • ‘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 do something without knowing how or why, in short to draw a new circle.’
    enduring, long-lasting, long-lived, lifelong, abiding, continuing, remaining, long-term, surviving, persisting, permanent, deep-rooted, indelible, ingrained
    View synonyms

Origin

Late Middle English: from Old French sempiternel or late Latin sempiternalis, from Latin sempiternus, from semper always + aeternus eternal.

Pronunciation:

sempiternal

/ˌsɛmpɪˈtəːn(ə)l/