Definition of "in-" []

• Not: inarticulate. Before l, in- is usually assimilated to il-; before r to ir-; and before b, m, and p to im-. See Usage Note at un-1. (prefix)
• In; into; within: inundation. Before l, in- is usually assimilated to il-; before r to ir-; and before b, m, and p to im-. (prefix)
• Variant of en-1. (prefix)

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.

• "This isn't kind of the happy-go-lucky, you know, naive guy that came in-"
• "Ignoring the warning signs, Penn State and its agents gave Jerry Sandusky the golden key to paradise in- free reign to Paterno's sports kingdom where Sandusky could continue to molest young children under the guise of his charitable organization The Second Mile which he started allegedly to help young children."
• "Have to tuck the girls in- I promised them I would be home before they went to sleep!"