- 2Betekenis: stubborncontumacious bullheaded dogged firmdeaf headstrong mulish pertinacious
- 3Betekenis: intractableunreasonable obstinate recalcitrant headstrongrefractory unyielding impracticable
- 4Betekenis: uncontrollableunruly headstrong
- 5Betekenis: shrewdpractical unsentimental rational business-likeheadstrong stubborn realistic hardheaded