The Collaborative International Dictionary of English v.0.48:

dolourous \dolourous\ adj.
   1. same as dolorous. [Brit.]

   Syn: dolorous, dolourous, lachrymose, tearful, weeping.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

dolourous
    adj 1: showing sorrow [syn: dolorous, dolourous,
           lachrymose, tearful, weeping]