1) Blurrily 2) Dimly 3) Faintly 4) Fuzzily 5) Hazily 6) Imprecisely 7) In a dim indistinct manner 8) Noiselessly 9) Obscurely 10) Silently 11) Too quietly to be heard 12) Too softly to be heard 13) Unclearly 14) Vaguely 1) Blurrily 2) Dimly 3) Incoherently 4) Unclearly 5) Undistinctly 6) Vaguely 
• (adv.) In an indistinct manner; not clearly; confusedly; dimly; as, certain ideas are indistinctly comprehended.
In`dis·tinct'ly adverb In an indistinct manner; not clearly; confusedly; dimly; as, certain ideas are indistinctly comprehended. « In its sides it was bounded distinctly, but on its ends confusedly and indistinctly .» Sir I. Newton.