Search Result for "light-mindedness": 
Wordnet 3.0

NOUN (1)

1. inappropriate levity;
- Example: "her mood changed and she was all lightness and joy"
[syn: flippancy, light-mindedness]


The Collaborative International Dictionary of English v.0.48:

Light-minded \Light"-mind`ed\ (l[imac]t"m[imac]nd`[e^]d), a. 1. Unsettled; unsteady; volatile; not considerate. [1913 Webster] 2. showing inappropriate levity. [WordNet sense 1] Syn: flippant. [WordNet 1.5] -- Light"-mind`ed*ness, n. [1913 Webster]
WordNet (r) 3.0 (2006):

light-mindedness n 1: inappropriate levity; "her mood changed and she was all lightness and joy" [syn: flippancy, light-mindedness]