contentiously (part of speech: adverb)
severely (part of speech: adverb)
curtly, briskly, gruffly, coolly, dryly, intolerantly, oppressively, ascetically, bleakly, rigorously, precisely, correctly, acrimoniously, leanly, matter-of-factly, strictly, abruptly, icily, imperially, frostily, critically, exactingly, brusquely, demandingly, crisply, bluntly, keenly, piquantly, severely, starkly, intensely, tartly, grimly, sternly, shortly, sharply, acutely, meticulously, sparely, rawly, acerbically, basically, cuttingly, fundamentally, austerely, stringently, dourly, caustically
shrilly (part of speech: adverb)
difficultly (part of speech: adverb)
fussily, strenuously, trickily, tightly, tryingly, formidably, complicatedly, roughly, toughly, adversely, troublesomely, knottily, ruggedly, grindingly, cantankerously, stressfully, contrarily, toilsomely, onerously, difficultly, laboriously, wearisomely, complexly, arduously, ticklishly
- " I'll go myself," Duke said harshly. - "Victory", Lester del Rey.
- Remember and take these facts into consideration when you think harshly of those who took up arms to defend slavery. - "Carl and the Cotton Gin", Sara Ware Bassett.
- " That's no human voice," it said harshly. - "This World Is Taboo", Murray Leinster.