determinative adjective 2noun 2forms 3 adjective2 •That determines something. •Sufficient to decide something (such as a question of fact or of law).When assigning custody, the preference of the child will be considered, but it is not determinative. noun2 •A member of a class of words functioning in a noun phrase to identify or distinguish a referent without describing or modifying it. •An ideogram used to mark semantic categories of words in logographic scripts. formsdeterminatives · more determinative · most determinative