With a harsh or discordant sound. Frequently with roar.

Unmelodiously, inharmoniously.

With a hoarse voice or sound.

in a jarring manner.

In a harsh or disagreeably rough manner; roughly, rudely, discordantly, unpleasantly, severely, unfeelingly, etc.: see the adjective.

In an unmusical manner; not musically.

in a disharmonious manner, discordantly.

quasi-adv.= hoarsely, adv.

(un-, prefix1 affix 5; cf. unharmonious, adj.)

In a ragged manner.