Adverbs for Remiss

carelessly; hopelessly; sorely; unacceptably; frequently; negligently; indifferently; apologetically; confessedly; admittedly; terribly; unpardonably; gravely; seriously; heedlessly; nonchalantly; criminally; tragically; inexplicably; unaccountably; strangely; curiously; unconsciously; unintentionally; atrociously.