1. Seeking and enjoying the company of others; sociable. See Synonyms at social.
2. Tending to move in or form a group with others of the same kind: gregarious bird species.
3. Botany Growing in groups that are close together but not densely clustered or matted.
[Latin gregārius, belonging to a flock, from grex, greg-, flock; see ger- 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.