(of a person) not able or willing to show feelings or take part (because nervous, arrogant etc)
remote
(of the skin) made hard (by rough work etc)
cruel, insensitive
not sensitive (to touch, light, to the feelings of other people)
indifferent, callous
representing living things, objects etc as they really are
realistic
stubborn
pig-headed, stubborn
concerned with the process of doing something and the results; (of a person, character etc) clever at doing and making things; useful
realistic, useful
concerned with useful results, the possibility of actually being done (and not theory or principles)
sensible
practical and based on actual facts, not theory
sensible, matter-of-fact
demanding and enforcing obedience; severe; strict; the back end (of a ship or boat)
serious, authoritarian
having, covered with, many stones; hard, cold and unsympathetic
hard, icy in appearance, response
very serious about good behaviour; clear and exact
authoritarian