adj. un·stead·i·er, un·stead·i·est
1. Not firm, solid, or securely in place; unstable.
2. Fluctuating; changeable: an unsteady market.
3. Not even or regular; wavering: an unsteady voice.
tr.v. un·stead·ied, un·stead·y·ing, un·stead·ies
To cause to become unsteady.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.