had been suppling

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  of supple.
  supple

  adjective

  bending readily without breaking or becoming deformed; pliant; flexible.

Related Words

• agile
• elastic
• flexible
• graceful
• limber
• lithe
• malleable
• pliable
• pliant
• resilient
• springy
• svelte
• wiry