v. in·sist·ed, in·sist·ing, in·sists
To be resolute or firm in a demand or course: I insist on paying my share of the expenses.
To assert or demand (something) firmly or persistently: We insist that you stay for dinner.
[Latin īnsistere, to persist : in-, on; see IN-2 + sistere, to stand; see stā- in the Appendix of Indo-European roots.]
in·sistence, in·sisten·cy n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.