high-sounding

UK: /ˌhaɪˈsaʊndɪŋ/ US: /ˈhaɪˌsaʊndɪŋ/ ,(hī′soun′ding)

WordReference Random House Learner's Dictionary of American English © 2025

high-sound•ing /ˈhaɪˌsaʊndɪŋ/   adj. 

1. having an impressive or grand sound:
   high-sounding titles.

WordReference Random House Unabridged Dictionary of American English © 2025

high-sound•ing  (hī′soun′ding), adj. 

1. having an impressive or pretentious sound;
   grand:
   the high-sounding titles of minor officials.

• 1550–60

Collins Concise English Dictionary © HarperCollins Publishers::

high-sounding adjective

1. another term for high-flown