Entomology definition of Gregarious September 9, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Gregarious Entomology definition of Gregarious: living in societies or communities; but not social. Entomology Gregarious definitionGregarious Entomology explanationGregarious Entomology meaningReviews & Comments