loose sentence
Definition - A sentence in which the main independent clause (i.e. grammatically complete clause) is followed additional modifying clauses or phrases.

For example: "She drove her car to go to the movies, got gas, bought some nail polish, phoned Helen for more info, and then sat down for an hour and thought about Uganda."

As oppposed to a periodic sentence, which is a type of sentence that is not grammatically complete until the final clause or phrase is stated.

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