from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not firm, solid, or securely in place; unstable.
  • adj. Fluctuating; changeable: an unsteady market.
  • adj. Not even or regular; wavering: an unsteady voice.
  • transitive v. To cause to become unsteady.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not held firmly in position, physically unstable.
  • adj. Noted for lack of regularity or uniformity.
  • adj. Inconstant in purpose, or volatile in behaviour.
  • v. To render unsteady, removing balance.

from The Century Dictionary and Cyclopedia

  • In mech., having a motion which is not uniform or which does not take place with a constant angular velocity, or around a permanent axis through the center of gravity of the mass. Revolving bodies out of running balance have an unsteady motion.
  • Not steady.
  • To make unsteady; cause to be fluctuating.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. subject to change or variation
  • adj. not firmly or solidly positioned


from Wiktionary, Creative Commons Attribution/Share-Alike License

Created by adding the prefix un- to steady. Like steady, the word first appeared in English around 1530. The word is comparable to the Old Frisian onstedich, the Low German unstadig etc.



Log in or sign up to get involved in the conversation. It's quick and easy.

  • Citation on chitter.

    August 9, 2008