Other hyponyms of meaninglessness include
absurdity,
absurdness,
ridiculousness,
amphigory,
nonsense verse,
balderdash,
fiddle-faddle,
piffle,
buzzword,
cant,
cobblers,
crock,
fa la,
fal la,
gibber,
gibberish,
incoherence,
incoherency,
unintelligibility,
jabberwocky,
flummery,
mummery,
empty talk,
empty words,
palaver,
rhetoric,
rigamarole,
rigmarole,
schmegegge,
shmegegge,
hooey,
poppycock,
stuff,
stuff and nonsense,
baloney,
bilgewater,
boloney,
bosh,
drool,
humbug,
taradiddle,
tarradiddle,
tommyrot,
tosh,
twaddle.