Sempiternal (adj)
sem-pit-ur-nal
everlasting; eternal.
1400–50; late Middle English from Late Latin sempiternālis, equivalent to Latin sempiternus, everlasting
Example sentences
“Lake Ohrid is the oldest lake in Europe, and at up to 5 million years old, it could be considered sempiternal.”
Author Juno Dawson, and author and BookToker Andy Darcy Theo are joining the judging panel for 2026’s YA Book Prize. Celebrating the best YA fiction in the UK & Ireland…







