| permanently abidingly ad infinitum always ceaselessly changelessly constantly continually continuously endlessly enduringly eternally everlastingly for good forever forevermore in perpetuity incessantly indestructibly infinitely inflexibly interminably invariably lastingly never-endingly perdurably perennially perpetually rigidly statically steadfastly steadily time without end unceasingly unchangingly unendingly unwaveringly without end world without end |
| on end ad infinitum again and again at a stretch at attention bolt upright ceaselessly connectedly constantly continually continuously cumulatively cyclically endlessly endways endwise erectly incessantly interminably monotonously on a stretch on and on perennially repetitively right on end round the clock together unbrokenly unceasingly unintermittently uninterruptedly unrelievedly up up on end upright uprightly upstandingly without a break without cease without stopping |
| monotonously ad infinitum again and again at a stretch boresomely boringly ceaselessly connectedly constantly continually continuously cumulatively cyclically drearisomely dully endlessly equably evenly everlastingly fatiguingly harpingly in a rut incessantly interminably irksomely on a stretch on and on on end perennially repetitively round the clock routinely tediously tiresomely together unbrokenly unceasingly uniformly unintermittently uninterruptedly unrelievedly unvaryingly wearisomely wearyingly without a break without cease without stopping |