Smart-alecky and Swollen-headed

Smart-alecky adjective - Making light of something usually regarded as serious or sacred.

Swollen-headed and smart-alecky are semantically related In some cases you can use "Swollen-headed" instead an adjective phrase "Smart-alecky".

Swollen-headed adjective - Characteristic of false pride; having an exaggerated sense of self-importance.

Smart-alecky and swollen-headed are semantically related in egotistical topic. Sometimes you can use "Smart-alecky" instead an adjective phrase "Swollen-headed", if it concerns topics such as bragging.