Akademik

hard-head|ed
hard-head|ed «HAHRD HEHD ihd», adjective.
1. not easily excited or deceived; practical; shrewd: »

a good hard-headed businessman.

2. stubborn; obstinate: »

He is very hard-headed and will not accept new ideas easily.

hard´-head´ed|ly, adverb.
hard´-head´ed|ness, noun.

Useful english dictionary. 2012.