Severely

Adverb

 * 1) In a severe manner.

Thesaurus
acutely, ascetically, austerely, awfully, badly, barely, brutally, coldly, coolly, critically, crudely, cruelly, dangerously, dourly, dreadfully, entirely, fatally, forbiddingly, fully, gloweringly, gravely, grievously, grimly, harshly, inhumanly, mercilessly, modestly, mortally, onerously, painfully, permanently, plainly, primitively, punitively, relentlessly, rigorously, savagely, seriously, simply, soberly, sparely, sparsely, starkly, sternly, strictly, stringently, terminally, tyrannically

Translations

 * Esperanto: