a, b, d, e, f, n, h, r, t, i are letters that make 'featherbrained'
ER, he, herb, BR, He, rain, at, Ea, ED, ain, in, feat, feather, AI, brain, ai, bra, RA, IN, NE, Ra, At, Br, Er, In, Fe, Ne, Rb, Th, eat are words within 'featherbrained'
1 possible definitions for 'featherbrained'
Under this definition, featherbrained is an adjective and has the following properties:
silly, airheaded, dizzy, empty-headed, giddy, light-headed, lightheaded have the same meaning as 'featherbrained'
giddiness, silliness, lightheadedness are derivatives of 'featherbrained'.
frivolous is similar to featherbrained.