∙ Capable of being flexed or bent without breaking; able to be turned, bowed, or twisted, without breaking; pliable; not stiff or brittle.
∙ Willing or ready to yield to the influence of others; not invincibly rigid or obstinate; tractable; manageable; ductile; easy and compliant; wavering.
∙ Capable or being adapted or molded; plastic,
Noun
∙ Something that is flexible. chiefly engineering and manufacturing