high–sounding

high–sounding /ˈhaɪˈsaʊndɪŋ/ adjective
high–sounding
/ˈhaɪˈsaʊndɪŋ/
adjective
Britannica Dictionary definition of HIGH–SOUNDING
[more high–sounding; most high–sounding] disapproving
: using words that are meant to sound important and impressive