gain (noun) gain: acquisition, winnings
Sinonime: boring,
boundless, ceaseless, constant, continuous, day-and-night, dragged out,
dull, endless, eternal, everlasting,
immeasurable,
incessant, interminate,
limitless,
long, long-drawn-out, long-winded, looped, never-ending, no end of, no end to, on a treadmill,
permanent, perpetual, protracted, spun out, strung out, timeless, unbound, unceasing, uninterrupted,
unlimited, wearisome
Antonime: bounded, ending,
finite, terminable