From Longman Dictionary of Contemporary Englishmournfulmourn‧ful /ˈmɔːnfəl $ ˈmɔːrn-/ adjectiveSAD/UNHAPPYvery sad
Durant was thin, mournful and silent.
the slow, mournful music of the bagpipes► see thesaurus at sad —mournfully adverbExamples from the Corpusmournful• She even seems to root for him, in a mournful and bitter way.• He was at the graveside looking mournful and interesting.• Beneath her the riversnakedsilver amongst the rushes and meadowsweet and a buzzardcircling on high gave its own mournfulcry.• I imagined him pulling mournfuldrones out of the ancient double-reed pipe.• The doglay at his feet, looking up from time to time with big mournful eyes.• I could hear the slow, mournful music of the bagpipes.• slow, mournful music• He ate his tinyration of cereal in mournful slow motion, to illustrate his unhappiness.• You get these crackpot ideas about helping people who come along to you with a mournfultale.• His voice sounded so mournful that tears came into her eyes.• And their public comments had a mournfultone.