Entomology definition of Abrupt September 6, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Abrupt Entomology definition of Abrupt: suddenly or without gradation. Abrupt Entomology explanationAbrupt Entomology meaningEntomology Abrupt definitionReviews & Comments