ad infinitum, all-comprehensiveness, all-inclusiveness, always, an eternity, aye, boundlessly, boundlessness, countlessness, endless time, endlessly, endlessness, eternally, eternity, ever, ever and again, ever and anon, evermore, exhaustlessness, for all time, for aye, for good, for keeps, forever and aye, forevermore, illimitability, illimitably, immeasurability, immeasurably, immensely, immensity, in all ages, in perpetuity, incalculability, incalculably, incomprehensibility, incomprehensibly, inexhaustibility, infinitely, infiniteness, infinitude, infinity, innumerability, innumerably, interminability, interminably, limitlessly, limitlessness, measurelessly, measurelessness, now and forever, numberlessness, perpetuity, termlessness, throughout the ages, till doomsday, till time stops, time without end, to infinity, universality, unmeasurability, without end, without limit, world without end