nonsense

nouns

a message that seems to convey no meaning
bunk, hokum, meaninglessness, nonsense, nonsensicality
ornamental objects of no great value
falderol, folderal, frill, gimcrack, gimcrackery, nonsense, trumpery

adjectives

having no intelligible meaning
"nonsense syllables"; "a nonsensical jumble of words"
nonsense, nonsensical