Synonyms to not often

hardly, a bit, a little, abnormally, arduously, at infrequent intervals, badly, barely, bitterly, burdensomely, by a hair, by an ace, by no means, closely, difficultly, energetically, ever so little, exiguously, faintly, feebly, fiercely, firmly, forcefully, forcibly, frenziedly, furiously, hardly ever, harshly, imperfectly, impliably, inappreciably, inconsequentially, incredibly, inexorably, inflexibly, infrequently, insignificantly, ironhandedly, just, just a bit, keenly, laboriously, lightly, little, madly, meagerly, might and main, mightily, minimally, minutely, narrowly, nearly, negligibly, not hardly, not quite, obdurately, onerously, only, only just, painfully, powerfully, rancorously, rarely, relentlessly, rigidly, rigorously, roughly, scantily, scarce, scarcely, scarcely ever, seldom, seldom if ever, severely, slightly, solid, solidly, sorely, sparsely, stiffly, stormily, strenuously, strongly, tant soit peu, the hard way, toilsomely, triflingly, turbulently, unbendingly, uncommonly, uncompromisingly, uncustomarily, unexpectedly, unfrequently, unnaturally, unoften, unordinarily, unrele