fatuous

without sense foolish self-satisfaction 
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Fatuous

Fat'u·ous adjective [ Latin 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.
Found on http://www.encyclo.co.uk/webster/F/12

Fatuous

• (a.) Feeble in mind; weak; silly; stupid; foolish; fatuitous. • (a.) Without reality; illusory, like the ignis fatuus.
Found on http://thinkexist.com/dictionary/meaning/fatuous/

fatuous

silly; purposeless
Found on http://phrontistery.info/f.html
No exact match found