/ ˈdrɪvl; NAmE / noun , verb
■ noun
[ U ] ( informal , disapproving ) silly nonsense :
How can you watch that drivel on TV?
■ verb
( -ll- , US -l- ) [ v ] drivel (on) (about sth) (usually used in the progressive tenses) to keep talking about silly or unimportant things
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WORD ORIGIN
Old English dreflian (meaning to let saliva or mucus flow from the nose or mouth), of uncertain origin.