1. One who is loved.
2. Used as a familiar term of endearment.
a. A person regarded as generous or lovable.
b. Something cherished for its excellent qualities.
Involving privileged treatment of a favored party; illegally or unethically favorable: "another land grab, another sweetheart deal based on political influence" (Village Voice).
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.