Synonyms for Nonsense (same or very similar meaning)
WordNet sense 1 (a message that seems to convey no meaning):
bunk, hokum, meaninglessness, nonsensicalityWordNet sense 2 (ornamental objects of no great value):
frill, gimcrack, gimcrackery, trumpery, folderal, falderolWordNet sense 3 (having no intelligible meaning):
nonsensicalWordNet sense 4 (having no meaning or direction or purpose):
meaningless, nonmeaningfulFrom the ODE community, based on WordNetadd/edit