Synonyms for Tryingly:

adv.

difficultly (adverb)
contrarily, toilsomely, harshly, knottily, toughly, cantankerously, Grindingly, stressfully, complicatedly, trickily, roughly, wearisomely, ticklishly, tightly, laboriously, onerously, demandingly, Difficultly, complexly, adversely, strenuously, formidably, ruggedly, fussily.
painfully (adverb)
cruelly, disagreeably, tormentingly, gnawingly, distressfully, bitterly, smartingly, horrendously, miserably, achingly, agonizingly, grievously, painfully, gruelingly, irritatingly, oppressively, woefully, severely, unbearably, distressingly, bitingly, arduously, acutely, odiously, aggravatingly, witheringly, unpleasantly, Insufferably, troublesomely, annoyingly, excruciatingly, hurtfully, piercingly, stingingly, uncomfortably, sorely, torturously, irksomely, offensively.

adv

difficultly (adverb)
demandingly, oppressively, Difficultly, roughly, onerously, Grindingly, laboriously, cantankerously, severely, ruggedly, toughly, ticklishly, arduously, harshly, contrarily, complicatedly, tightly, stressfully, formidably, strenuously, trickily, troublesomely, knottily, adversely, complexly, fussily, toilsomely, wearisomely.
painfully (adverb)
cruelly, disagreeably, tormentingly, gnawingly, distressfully, bitterly, smartingly, horrendously, miserably, achingly, agonizingly, grievously, painfully, gruelingly, irritatingly, oppressively, woefully, severely, unbearably, distressingly, bitingly, arduously, acutely, odiously, aggravatingly, witheringly, unpleasantly, Insufferably, troublesomely, annoyingly, excruciatingly, hurtfully, piercingly, stingingly, uncomfortably, sorely, torturously, irksomely, offensively.