Know-it-all and Swelled head

Know-it-all noun - Someone who thinks he knows everything and refuses to accept advice or information from others.

Swelled head and know-it-all are semantically related. In some cases you can use "Swelled head" instead a noun phrase "Know-it-all".

Swelled head noun - An often unjustified feeling of being pleased with oneself or with one's situation or achievements.

Know-it-all and swelled head are semantically related. Sometimes you can use "Know-it-all" instead a noun phrase "Swelled head".