Rhetoric !!
blank space. blankness, meaningless, bareness, worthless ............
Another word you can use instead of formality is "politeness" or "etiquette."
Depending on the context, you might use 'clichés', 'trivialities', 'meaningless words', or a similar expression.
Wait... do you mean meanless or meaningless? If it's meaningless, then... The sentence I just made is meaningless.
A bunkum is another word for meaningless talk. A synonym would be chicken squawk. It often would consist of women sitting outside on their porch talking nonsense.
point
jive
Wallaby is not an Igbo word. Your question is meaningless.
it's meaningless my friend ...
It doesn't have one because it is a meaningless word.
"Unmeaningful" is not a widely accepted word. The correct term would be "meaningless" if you want to convey the idea of lacking significance or purpose.