Answer: RUNON

AnswerCrossword Clue
RUNONTalk nonstop
RUNONFilibuster
RUNONSpeechify at length
RUNONTalk at length
RUNONBabble away
RUNONKeep yakking
RUNONExcessively long sentence
RUNONLike a sentence that just keeps going and going and going and going
RUNONBabble
RUNONLong sentence
RUNONExtended sentence
RUNONType of sentence
RUNONTalk a blue streak
RUNONTalk incessantly
RUNONTalk endlessly
RUNONChatter endlessly
RUNONContinue without a break
RUNONLike some poorly written sentences
RUNONContinue without interruption
RUNONThis is an example of one it certainly is
RUNONExtended sentence?
RUNONBad sentence
RUNONTalk and talk
RUNONLike a too-long sentence
RUNON... sentence (grammatical no-no)
RUNONLike many overlong sentences
RUNONIn need of editing
RUNONKind of sentence discouraged in grammar class
RUNONIn need of punctuating
RUNONTalk and talk and ...
RUNONYak, yak, yak ...
RUNONTalk too much
RUNONSentence that should be two sentences
RUNONSyntax problem
RUNONGrammar class no-no
RUNONContinue uninterrupted
RUNONKind of sentence
RUNONLike some long sentences
RUNONGo without interruption
RUNONLike a rambling sentence