blithesome s carefree and happy and lighthearted a merry blithesome nature Usage(s) Under the seamed cliff of his forehead, his eyes lurk in shadowed caves, agile, probing, grave, blithesome and wise. Most of them were socially prominent in Berlin and Munich, living lives of blithesome ease, swanking at regimental reunions. His alchemy remints fables into wondrous blithesome magic. Synonym(s) blithe lighthearted lightsome light-hearted