Phù phiếm, nhẹ dạ, bông lông

Không đáng kể, nhỏ mọn; vô tích sự

adjective

barmy * , childish , dizzy * , empty-headed * , facetious , featherbrained * , flighty , flip , flippant , foolish , gay , giddy * , harebrained * , idiotic , idle , ill-considered , impractical , juvenile , light , light-minded , minor , niggling * , nonserious , not serious , paltry , peripheral , petty , playful , pointless , puerile , scatterbrained * , senseless , shallow , sportive , superficial , tongue-in-cheek * , unimportant , unprofound , volatile , whimsical , empty-headed , featherbrained , frothy , harebrained , lighthearted , scatterbrained , silly , carefree , childlike , fribble , frolicsome , futile , giddy , hoity-toity , inane , inconsequential , insignificant , irrelevant , trifling , trivial , worthless , yeasty

adjective

grave , mature , sensible , serious , solemn , thoughtful , wise