cut-in (noun) commission: share of a profit
Sinonime: always, durably, endlessly, enduringly, eternally, evermore, everything considered, for always, for good, for keeps, for life, forevermore, immortally, in perpetuity, in perpetuum, infinitely, interminably, lastingly, now and forever, on and on, permanently,
perpetually, till Doomsday, till blue in the face, till death do us part, till the cows come home, till the end of time, unchangingly, world without end
Antonime: brief,
never,
temporary