unallusive
/ˌʌnˈælʌɪv, ˌʌnˈæljuːsɪv/Definitions
1. adjective
Not giving clues or hints; difficult to guess or understand.
“The enigmatic artist’s work was often unallusive, leaving the audience to interpret its meaning.”
2. adverb
In a way that is not giving clues or hints; in a way that is difficult to guess or understand.
“The director made the film unallusively, so the audience could imagine their own story.”