Habsburgian adjective 1noun 1forms 1 adjective1 •Of or pertaining to (either branch of) the House of Habsburg, to the Habsburg Monarchy or to the rule of individual Habsburgs.It was an attempt to preserve the teutsche Libertät, the autonomy of the imperial Estates against Habsburgian efforts to gain absolute power. — 1995 noun1 •A Habsburg, a member of the Habsburg dynastic family.Before that time the Habsburgians had been for centuries the emperors of the German Holy Roman Empire until they were deposed by Napoleon in 1806. — 1985 formsHabsburgians