luc·ti·so·nus^[1]

baleful
mournful
sad

Synonyms for luctisonus

lacrimosus – mournful, shedding tears, tearful
lamentabilis – lamentable, mournful
lugubris – mournful
miserabilis – mournful, plaintive, sad, wretched
pestifer – baleful, damaging, destructive, injurious, mischievous person, pestilential, plaguey
pullus – a dark garment, blackish, chick, chicken, dark, gloomy, sad, young, young animal
tristis – disconsolate, mournful, sad, sowerful

Similar to luctisonus

luctuosa – feeling sorrowful
luctus – grief, lamentation, mourning
resonus – resounding
undisonus – loud with waves, resounding
agnus – sheep
alnus – alder, the alder tree
annus – year
bonus – good
dignus – worthy
genus – category, child, class, description, high birth, kind, sort