Definition of "unusual" []

• Not usual, common, or ordinary. (adjective)

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.

• "According to the cable obtained by the website WikiLeaks, U.S. officials reported that Israel worked with the Chilean government to monitor what it called "unusual activity" by Iran's envoy to Santiago."
• "He noted that the city's wealthiest ZIP Codes—Fifth Avenue, Park, Central Park West—are in its geographic center rather than along its edges, which he described as unusual."
• "To this he adds what he calls unusual circumstances, including "the fruits and tailwinds of globalization, billions of people added to the labor supply, new factories and productivity coming from places it had never come from before.""