1. The act of moving, proceeding, or acting in a covert way.
2. The quality or characteristic of being furtive or covert.
3. Obsolete The act of stealing.
1. Not disclosing one's true ideology, affiliations, or positions: a stealth candidate.
2. Having or providing the ability to prevent detection by radar: a stealth bomber; stealth technology.
[Middle English stelth, probably from Old English *stǣlth.]
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.