un·sta·ble
(ŭn-stā′bəl)adj. un·sta·bler,
un·sta·blest 1. a. Tending strongly to change: unstable weather.
b. Not constant; fluctuating: unstable vital signs.
2. a. Wavering or fickle: At first, he was unstable in his decisions.
b. Showing or marked by erratic or volatile emotions or behavior.
3. Not firmly placed; unsteady: an unstable ladder.
4. Chemistry a. Decomposing readily.
b. Highly or violently reactive.
5. Physics a. Decaying with relatively short lifetime. Used of subatomic particles.
b. Radioactive.
un·sta′ble·ness n.
un·sta′bly adv.
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun | 1. | unstableness - the quality or attribute of being unstable and irresoluteunsteadiness - the quality of being unsteady--varying and unpredictable shakiness - the quality of being unstable and insecure; "the shakiness of the present regime" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
unstableness
noun1. The quality or condition of being physically unsteady:
2. The quality or condition of being erratic and undependable:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.