will have been simmering

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of simmer.
  simmer

  verb (used without object)

  to cook or cook in a liquid at or just below the boiling point.

Related Words

• bubble
• burn
• churn
• ferment
• rage
• seethe
• stew
• stir
• warm