Also found in: Thesaurus, Idioms.
1. Tense; nervous: was uptight about turning 50.
2. Rigidly conventional, as in manners, opinions, and tastes: "[She] struck some as uptight or even prissy, a person so private she could be hard to read" (Jane Mayer and Jill Abramson).
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.
the quality or state of being uptight
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014