A semicolon used is to include a separate clause that does not stand well in a sentence of its own, yes? If so, that example sentence above should be phrased as: The dog ran, the dog fell, the dog dwelled. The dog didn't wish to be a part of such a place in his life; however, the dog did do his deed and carried on. A punctuation mark used to separate sentences. or semicolon (;) A punctuation mark used to connect major parts of sentences of equal grammatical rank. For example, semicolons are used to connect two independent clauses into one sentence.) or a conjunction Part of speech that joins two or more words, phrases, or clauses.