adj impressive in sound; high-sounding.
2. sonorous ·adj giving sound when struck; resonant; as, sonorous metals.
3. sonorous ·adj loud-sounding; giving a clear or loud sound; as, a sonorous voice.
4. sonorous ·adj yielding sound; characterized by sound; vocal; sonant; as, the vowels are sonorous.
5. sonorous ·adj sonant; vibrant; hence, of sounds produced in a cavity, deep-toned; as, sonorous rhonchi.