Source : Webster's Revised Unabridged Dictionary (1913)

Digressive \Di*gress"ive\, a. [Cf. F. digressif.]
   Departing from the main subject; partaking of the nature of
   digression. --Johnson.

Source : WordNet®

digressive
     adj 1: of superficial relevance if any; "a digressive allusion to
            the day of the week"; "a tangential remark" [syn: {tangential}]
     2: (of e.g. speech and writing) tending to depart from the main
        point or cover a wide range of subjects; "amusingly
        digressive with satirical thrusts at women's fashions
        among other things"; "a rambling discursive book"; "his
        excursive remarks"; "a rambling speech about this and
        that" [syn: {discursive}, {excursive}, {rambling}]