unpredictive

adjective

1. of or relating to prediction: losing one’s predictive power.
2. used or useful for predicting or foretelling the future: to look for predictive signs among the stars.
3. being an indication of the future or of future conditions: a cold wind predictive of snow.

adjective

1. of, relating to, or making predictions
2. text messaging (of mobile phone technology) enabling mobile phones to predict the word being entered in a text message from the first few letterspredictive texting

adj.1650s, from Late Latin praedictivus, from praedict-, past participle stem of praedicere (see predict).