Heath Robinsonian /hiːθɹɒbɪnˈsəʊnɪən/ adjective1 •Elaborate and impractical.Later, when I was not in quite such a vulnerable position, I decided that it was a ridiculously convoluted, Heath Robinsonian piece of machinery, a bit much even for Mycroft. — 2011 formsmore Heath Robinsonian · most Heath Robinsonian