/ ˈblæðə(r); NAmE / (also bleth·er / ˈbleðə(r); NAmE /) verb
[ v ] blather (on) (about sth) ( informal , especially BrE ) to talk continuously about things that are silly or unimportant
► blather (also blether ) noun [ U ]
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WORD ORIGIN
late Middle English (as a verb; originally Scots and northern English dialect): from Old Norse blathra talk nonsense, from blathr nonsense.