imminent
adjective
there was speculation that a ceasefire was imminent:
impending, at hand, close, near, approaching, fast approaching, coming, forthcoming, on the way, about to happen, upon us, in store, in the offing, in the pipeline, on the horizon, in the air, in the wind, brewing, looming, looming large;
threatening, menacing;
expected, anticipated;
informal on the cards.
▷antonyms remote.
imminent Oxford Dictionary of English