inexcusably

• POS: Adverb
• HYPHEN: in=ex=cus=a=bly

CIDE DICTIONARY

inexcusably, adv. 

 With a degree of guilt or folly beyond excuse or justification.  [1913 Webster]
"Inexcusably obstinate and perverse."  [1913 Webster]

THESAURUS

inexcusably

abominably, agonizingly, awfully, baldly, balefully, bitterly, blatantly, brashly, confoundedly, cruelly, damnably, deadly, deathly, deucedly, distressingly, dolorously, dreadfully, egregiously, excessively, excruciatingly, exorbitantly, extravagantly, flagrantly, frightfully, grievously, hellishly, horribly, improperly, indefensibly, inexpiably, infernally, iniquitously, inordinately, interestedly, intolerably, irremissibly, lamentably, miserably, nakedly, one-sidedly, openly, painfully, partially, piteously, sadly, shatteringly, shockingly, something awful, something fierce, sorely, staggeringly, terribly, torturously, unallowably, unashamedly, unbearably, unconscionably, undeservedly, undispassionately, unduly, unequally, unevenly, unfairly, unforgivably, unjustifiably, unjustly, unpardonably, unreasonably, unwarrantably, woefully, wrongfully, wrongly