Definition - A language disorder that makes it difficult to form properly structured sentences.

1. It's one of the key symptoms of Broca's aphasia.

Example -
"There's an old saying in Tennessee — I know it's in Texas, probably in Tennessee — that says, fool me once, shame on — shame on you. Fool me — you can't get fooled again."
George Bush, Jr. (speech in Nashville, Tenn, Sept. 17, 2002)

Etymology -
It derives from a word that means "illiterate" in Greek.

Oxford English Dictionary -
Its first citation is from 1881: "Agrammatismus, inability to form a grammatical sentence."
( Syd. Soc. Lex. I,)

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