frivolous

equivalents

airheaded

dizzy

empty-headed

featherbrained

flighty

flippant

flyaway

giddy

head-in-the-clouds

idle

light

light-headed

light-minded

scatter-brained

silly

trivial

synonyms

aimless

airy

amorphous

asinine

birdbrained

birdwitted

brainless

butterfly

buxom

capricious

casual

catchpenny

childish

contemptuous

desultory

disarticulated

discontinuous

disjunct

disordered

dispersed

disproportionate

dizzy

empty

empty

empty-headed

erratic

fatuous

featherbrained

featherheaded

fitful

flighty

flighty

flimsy

flimsy

flip

flippant

flippant

fluffy

fluttery

foolish

foolish

formless

fribble

fribble

fribbling

fribblish

frippery

frivol

frothy

futile

etymologically-related-terms

frivol

frivolity

same-contexts

extravagant

foolish

idle

irresponsible

licentious

petty

reckless

senseless

thoughtless

trivial

unjust

vain

wanton

worldly

worthless