Definition of "roomie" [roomie]

• Informal A roommate. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "We have teachers, students (my roomie is a freshman at Alverno), engineers, homemakers, crossing guards, lawyers, and activists. 25% of us don't affiliate with any major party."
• "The past two nights, my roomie has been my cousin."
• "I know my roomie is a good person, he just really seems so one-dimensional."