am humming

• present progressive

  present progressive

  Used to describe an ongoing action or state that is currently taking place in the immediate present.

  of hum (1st person singular).
  hum

  verb (used without object)

  to make a low, continuous, droning sound.

Related Words

• croon
• moan
• mumble
• murmur
• purr
• sing
• strum
• throb
• trill
• warble
• whisper