"excursive" in the adjective sense
1. digressive, discursive, excursive, rambling
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"
Source: WordNet® (An amazing lexical database of English)
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