a. 游览的, 离题的, 散漫的

[医] 移动性的

[ adj ]
(of e.g. speech and writing) tending to depart from the main point or cover a wide range of subjects
<adj.all>
amusingly digressive with satirical thrusts at women's fashions among other thingsa rambling discursive book
his excursive remarks
a rambling speech about this and that

Excursive \Ex*cur"sive\, a.
Prone to make excursions; wandering; roving; exploring; as,
an excursive fancy.

The course of excursive . . . understandings. --I.
Taylor.
-- {Ex*cur"sive*ly}, adv. -- {Ex*cur"sive*ness},, n.
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