[‘ Stately-sounding.']
Pronunciation:/ɡrænˈdɪsənənt/
Etymology: < Latin /grandis/ great + sonant-em, present participle of sonāre to sound. Compare grandisonous adj.
/rare/.
Stately-sounding.
1684 S. E. /Answer Remarks upon Dr. H. More/ 276 The expressions are so high, sublime, and grandisonant.
1685 H. More /Paralipomena Prophetica/ 381 That grandisonant Speech was uttered by Nestorius.
1827 Wilson in /Blackwood’s Mag./ *21* 503 The grandisonant name of The Glory of Mount Pleasant.