Reluctant to join? (5)
I believe the answer is:
inert
(Other definitions for inert that I've seen before include "like nitrogen" , "(Chem.) not reactive" , "Unreacting" , "Sluggish, still" , "Incapable of acting, like some gas" .)
I believe the answer is:
inert
(Other definitions for inert that I've seen before include "like nitrogen" , "(Chem.) not reactive" , "Unreacting" , "Sluggish, still" , "Incapable of acting, like some gas" .)