Definition of "difficulty" []

• The condition or quality of being difficult: the difficulty of a task. (noun)
• Something not easily done, accomplished, comprehended, or solved. (noun)
• A troublesome or embarrassing state of affairs, especially of financial affairs. Often used in the plural. (noun)
• A laborious effort; a struggle; trouble: had difficulty walking; completed the test with difficulty. (noun)
• A disagreement or dispute. (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.

• "The main difficulty is that the data obtained from around the world does not belong to them, and obtaining permissions from all and sundry has proven to be an exhausting process."
• "Its main difficulty is that it is not warm or cuddly, unlike God or Oprah. by Gregory Benford and Michael Rose."
• "Created by a range of leading designers and illustrators, the Perplex City puzzle cards range in difficulty from the fun and easy to the captivatingly complex."