FAQs About the word unfrivolous

unfrivolous

not frivolous

earnest,serious,dignified,grave,melancholy,serious-minded,severe,sober,solemn,sombre

ditsy,dizzy,frivolous,frothy,futile,giddy,childish,scatterbrained,yeasty,birdbrained

unfreezing => thawing, unfreedom => unfreedom, unforthcoming => unforthcoming, unfolds => unfolds, unfolded => unfolded,