Synonyms for Protracted:

adj.

chronic (adjective)
continuing, abiding, persistent.
continued (adjective)
persistent, sustained, prolonged, continued, unceasing, interminable, extended, abiding, persevering, maintained.
drawn-out (adjective)
prolonged.
extended (adjective)
lengthy.
infinite (adjective)
interminable.
long (adjective)
prolonged, dragging, long-drawn-out, sustained, continued, Overlong, lingering, drawn-out, lengthy.

n.

continuing, day in day out, forever, continue, lingering, chronic, everlasting. excite, long-drawn-out, Overlong, dragging. protracted (noun)
lengthy, extended, long, prolonged, drawn-out.

v.

continued (verb)
maintained, extended, Persevered, continued, prolonged, Persisted, abided, sustained.

Other synonyms:

Overlong, lingering, long-drawn-out. dragging, forever. continuing, everlasting. inveterate
chronic.
Other relevant words:
dragging, long-drawn-out, excite, everlasting, lengthy, long, forever, Overlong, continue, chronic, continuing, lingering, drawn-out.

Usage examples for protracted

  1. I lay on the stand when your grandparents were courting- for that had to be done then as well as now- and it was the same story of chairs wide apart, and chairs coming nearer, and arm over the back of the chair, and late hours, and four or five gettings up to go with the determination to stay, protracted interviews on the front steps, blushes and kisses. – Around The Tea-Table by T. De Witt Talmage
  2. Make the emotional experience protracted as well as absorbing, and you may imply or even state that any reasonable length of time has passed. – Dramatic Technique by George Pierce Baker
  3. With some natures the experience would have been a slow and protracted one, but with him the termination could not be long delayed. – The Redemption of David Corson by Charles Frederic Goss