Definitions for: Fatuous

[adj] complacently or inanely foolish

Webster (1913) Definition: Fat"u*ous, a. [L. fatuus.]
1. Feeble in mind; weak; silly; stupid; foolish; fatuitous.
--Glanvill.

2. Without reality; illusory, like the ignis fatuus.

Thence fatuous fires and meteors take their birth.
--Danham.

Synonyms: asinine, foolish, inane, mindless, vacuous