indistinctly

/ˌɪndɪˈstɪŋktli/
adverb
  1. In a way that is not clear or sharp; vaguely or faintly.
    • The mountain peak was indistinctly visible through the haze.
    • He remembered the event only indistinctly, as if it were a dream.
    • She could indistinctly hear voices coming from the next room.