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adj. pith·i·er, pith·i·est
1. Precisely meaningful; forceful and brief: a pithy comment.
2. Consisting of or resembling pith.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.