ineluctably, inevitably, slowly, remorselessly, inescapably, insidiously, unavoidably, imperceptibly, steadily, inextricably, glacially, implacably, irrevocably, apace, stealthily, onward, gradually, ominously, evermore, downwards, rapidly, relentlessly, unnoticeably, headlong, merrily, indecisively, swiftly, eastwards, irreversibly, insensibly, powerlessly, uncontrollably, upward, progressively, noiselessly, dizzily, creakily, complacently, hypnotically, surely, unhurriedly, incrementally, ad infinitum, heedlessly, serenely, westward, danse macabre, unhappily, irretrievably, backwards, eventually, logically, inseparably, northwards, southward, jerkily, suddenly, intractably, noosphere, dangerously, powerfully, apathetically, exponentially, briskly, earthwards, laboriously, invariably, perceptibly, precipitously, geometric progression, methodically, unwillingly, obdurately, chaotically, primrose path, mindlessly, menacingly, unconsciously, stolidly, ultimately, evitable, decisively, messily, uneasily, unalterably, whited sepulcher, predictably, ceaselessly, gracelessly, malignantly, soundlessly, pointlessly, magically, grotesquely, turbulently, subserviently, intrepidly, irresistibly, objective correlative, perilously, ponderously, ungracefully

force, thrust