|1.||readily partaking in chemical reactions: sodium is a reactive metal; free radicals are very reactive|
|2.||of, concerned with, or having a reactance|
|3.||responsive to stimulus|
|4.||(of mental illnesses) precipitated by an external cause: reactive depression|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|the offspring of a zebra and a donkey.|
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.