painfully (part of speech: adverb)
gnawingly, smartingly, disagreeably, cruelly, painfully, aggravatingly, insufferably, distressfully, hurtfully, miserably, uncomfortably, sorely, troublesomely, excruciatingly, horrendously, grievously, tryingly, distressingly, unpleasantly, torturously, piercingly, woefully, bitterly, bitingly, arduously, stingingly, offensively, annoyingly, witheringly, gruelingly, achingly, tormentingly, irksomely, odiously, irritatingly, unbearably, agonizingly
sharply (part of speech: adverb)
shrilly (part of speech: adverb)
severely (part of speech: adverb)
cuttingly, brusquely, harshly, correctly, exactingly, intolerantly, oppressively, austerely, bluntly, rigorously, precisely, crisply, acrimoniously, leanly, matter-of-factly, strictly, abruptly, icily, imperially, fundamentally, curtly, frostily, caustically, dourly, critically, briskly, keenly, piquantly, severely, starkly, intensely, tartly, gruffly, sternly, shortly, sharply, ascetically, meticulously, sparely, rawly, acerbically, bleakly, demandingly, grimly, basically, stringently, dryly, coolly
- Vivid sensation, of either pain or pleasure, makes the time seem long, as the common phrase is, because it renders us more acutely conscious of our ideas. - "The Complete Poetical Works of Percy Bysshe Shelley Volume III", Percy Bysshe Shelley Edited by Thomas Hutchinson, M. A..
- It is a pity her letters gave you the impression that she was feeling your absence so acutely. - "Antony Gray,--Gardener", Leslie Moore.
- She suffered acutely when with girls of her own age, because she felt unfit to be with them. - "Secret Bread", F. Tennyson Jesse.