stikˈtüə̇d.]ivnə̇s, ə̇-t] noun
( -es )
Etymology: from the phrase stick to it + -ive + -ness
: dogged perseverance : resoluteness , tenacity
has drifted from job to job … and lacks stick-to-itiveness — Kendall Banning
not so much a test of marriage as a test of stick-to-itiveness — Lewis Nichols