completely sure (7)
I believe the answer is:
certain
(Other definitions for certain that I've seen before include "Unquestionable" , "Particular" , "Assured" , "Convinced" , "Quite sure, positive" .)
I believe the answer is:
certain
(Other definitions for certain that I've seen before include "Unquestionable" , "Particular" , "Assured" , "Convinced" , "Quite sure, positive" .)