Under this provocation, Mr. Smallweed’s favourite adjective of disparagement is so close to his tongue that he begins the words "my dear friend" with the monosyllable "brim," thus converting the possessive pronoun into brimmy and appearing to have an impediment in his speech.
There are no more uses of "impediment" in the book.
Show samples from other sources
a speech impediment
Personal animosity has become an impediment to progress.