tr.v. fore·cast or fore·cast·ed, fore·cast·ing, fore·casts
1. To estimate or predict in advance, especially to predict (weather conditions) by analysis of meteorological data. See Synonyms at predict.
2. To serve as an advance indication of; foreshadow: price increases that forecast inflation.
A prediction, as of coming events or conditions: The weather forecast stated that it would rain.
[Middle English forecasten, to plan beforehand : fore-, fore- + casten, to throw, calculate, prepare; see CAST.]
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.