Used to attract attention or to express surprise, appreciation, wonder, or pleasure.
An expression indicating surprise, dismay, discovery, etc, or calling for another's attention
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.
An exclamation used for emphasis at the end of a statement, or alone to seek repetition or confirmation of another person's statement
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