is gibbering

• present progressive

  present progressive

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

  of gibber (3rd person singular).
  gibber

  verb (used without object)

  to speak inarticulately or meaninglessly.

More Suggestions

• gibberish
• ingathering
• sobering
• timbering
• bioengineering
• bewildering
• bickering
• blistering
• blithering