Hardheaded
['hɑːd'hedɪd]
Definition
(adj.) guided by practical experience and observation rather than theory; 'a hardheaded appraisal of our position'; 'a hard-nosed labor leader'; 'completely practical in his approach to business'; 'not ideology but pragmatic politics' .
(adj.) unreasonably rigid in the face of argument or entreaty or attack .
Inputed by Fidel--From WordNet