returnless

from (or due to) which one will not, or cannot, return (of a journey, destination, situation, distance, etc.)

Adjective

from (or due to) which one will not, or cannot, return (of a journey, destination, situation, distance, etc.)
- Seventeen years had rolled on their returnless flight since that night of withering sorrow. - 1845, Mrs. F. Beavan, Sketches And Tales Illustrative Of Life In The Backwoods Of New Brunswick:
- They would do an immensity of labor on their returnless journey to the ocean. - 1857, S. H. Hammond, Wild Northern Scenes:
- You must hear the judge's decision, remorselessly giving up the woman with her children born and unborn, into the hands of their claimants--by them to be carried to the slave prison, and thence to be sold to a...
which will not return
- —but now false Memory loosed Her time-worn cable from the wilder'd mind, Blotting the chart whereon it loved to gaze Mid the dim ocean of returnless years.— - 1827, Lydia Sigourney, Poems, Visit to the venerable Charles...
- Pass on, returnless year! - 1895, Mary Baker Eddy, Pulpit and Press:

From return + -less.