v. guessed, guess·ing, guess·es
a. To predict (a result or an event) without sufficient information.
b. To assume, presume, or assert (a fact) without sufficient information.
2. To form a correct estimate or conjecture of: guessed the answer.
3. To suppose; think: I guess he was wrong.
1. To make an estimate or conjecture: We could only guess at her motives.
2. To estimate or conjecture correctly.
1. An act or instance of guessing.
2. A conjecture arrived at by guessing.
[Middle English gessen, probably of Scandinavian origin; see ghend- in the Appendix of Indo-European roots.]
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.