[f. CHIEF sb. + -LY1.] Properly pertaining to a chief.
1870. Meade, New Zealand, 356. A real chiefly exercise.
1876. H. Spencer, Princ. Sociol., III. ix. (1879), 708. There is a natural relation between constant fighting and development of chiefly power.
1882. Athenæum, 22 April, 502/1. Magical powers make a man have some chiefly influence.