Also found in: Wikipedia.
Related to fused sentence: active voice
A sentence in which two or more independent clauses are not properly joined by a semicolon or conjunction. Also called run-on sentence.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.