1. Imposing rigorous standards of performance; severe: stringent safety measures.
2. Constricted; tight: operating under a stringent time limit.
3. Characterized by scarcity of money, credit restrictions, or other financial strain: stringent economic policies.
[Latin stringēns, stringent-, present participle of stringere, to draw tight; see streig- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.