This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Tending to be responsive or to react to a stimulus.

adj. Characterized by reaction.

adj. Chemistry & Physics Tending to participate readily in reactions.

adj. that reacts or responds to a stimulus

adj. that readily takes part in reactions

adj. Characterized by induction or capacitance rather than resistance.

adj. Reacting to the past rather than anticipating the future, not predictive.

adj. Having power to react; tending to reaction; of the nature of reaction.

Pertaining to or causing reaction; acting reflexively or reciprocally; resulting from reflex action.

In alternating-current circuits, same as wattless.

n. A reagent.

adj. reacting to a stimulus

adj. participating readily in reactions

"The author then enters into a discussion of the use of the term reactive tendency, and explains that this term, according to his definition, is meant to explain something more specific than an inclination to direct activity toward one of a limited number of general ends, and to include both the innate and the acquired features of an individual's reactive mechanism."

sensitive    unstable    oxidizable    thermolabile    activated    excited    labile   

reactive circuit    reactive coil    reactive drop   

reactive arthritis    reactive distillation    reactive load    reactive schizophrenia    reactive dye    reactive hypoglycemia    reactive intermediate    reactive depression    reactive centre    reactive homeostasis   

active    attractive    hyperactive    inactive    interactive    overactive    photorefractive    proactive    radioactive    refractive   

corrosive    toxic    volatile    radioactive    electrophilic    harmful    organic    inert    gaseous    molecular