i Register
In some senses, interminable is marked as dated. Watch for register when choosing this word.
adj
Existing or occurring without interruption or end; ceaseless, unending.
After supper Sir Pitt Crawley began to smoke his pipe; and when it became quite dark, he lighted the rushlight in the tin candlestick, and producing from an interminable pocket a huge mass of papers, began reading them, and putting them in order.
The sea-reach of the Thames stretched before us like the beginning of an interminable waterway.
noun
A repeating decimal.