Meaning of stick-to-it-ive

stick-to-it-ive

Pronunciation: (stik"t'i-tiv, -it-iv), [key]
— adj. Informal.
  1. tenaciously resolute; persevering: Stick-to-it-ive people get ahead in life.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.