Also, nothing to sneeze at. Not to be ignored or dismissed, as in It's a great honor, not to be sneezed at, or That salary of his is nothing to sneeze at. This expression presumably alludes to turning up one's nose in disdain. [c. 1800]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.