Bigger and High-sounding

Bigger adjective - Large or big relative to something else.

High-sounding and bigger are semantically related. in arrogant topic. In some cases you can use "High-sounding" instead an adjective "Bigger".

High-sounding adjective - Full of fine words and fancy expressions.

Bigger and high-sounding are semantically related. Sometimes you can replace term "Bigger" with "High-sounding", this terms are similar.