flexible

adj

1. Capable of being flexed or bent without breaking; able to be turned or twisted without breaking.

   “When the splitting wind Makes flexible the knees of knotted oaks.”

2. Willing or prone to give way to the influence of others; not invincibly rigid or obstinate.

   “Phocion the Athenian (a man of great severity, and no ways flexible to the will of the people[…]”

   “Women are soft, mild, pitiful, and flexible.”

3. Capable of adapting or changing to suit new or modified conditions or situations.

   “You can't always get what you want: you need to learn to be flexible.”

4. Capable or being adapted or molded in some way.

   “a flexible language”

   “This they foresaw was a Principle more flexible to their Purpose”

noun

1. Something that is flexible.

   “Alcan is mostly flexibles -- and so it boosts Amcor's flexible packaging business to a globally significant $7 billion one.”