Discontinue gradually (5,3)
(Other definitions for phase out that I've seen before include "Diminish and cease use gradually" , "Taphouse (anag)" , "Gradually stop" , "Withdraw (something) gradually" , "Get rid off gradually" .)
(Other definitions for phase out that I've seen before include "Diminish and cease use gradually" , "Taphouse (anag)" , "Gradually stop" , "Withdraw (something) gradually" , "Get rid off gradually" .)