Loud (loud), a. [Compar. Louder (loud&etilde_;r); superl. Loudest.] [OE. loud, lud, AS. hlūd; akin to OS. hlūd, D. luid, OHG. lūt, G. laut, L. -clutus, in inclutus, inclitus, celebrated, renowned, cluere to be called, Gr. klytos heard, loud, famous, klyein to hear, Skr. çru. √41. Cf. Client, Listen, Slave a serf.] 1. Having, making, or being a strong or great sound; noisy; striking the ear with great force; as, a loud cry; loud thunder.
[1913 Webster]

They were instant with loud voices, requiring that he might be crucified. Luke xxiii. 23.
[1913 Webster]

2. Clamorous; boisterous.
[1913 Webster]

She is loud and stubborn. Prov. vii. 11.
[1913 Webster]

3. Emphatic; impressive; urgent; as, a loud call for united effort. [Colloq.]
[1913 Webster]

4. Ostentatious; likely to attract attention; gaudy; as, a loud style of dress; loud colors. [Slang]

Syn. -- Noisy; boisterous; vociferous; clamorous; obstreperous; turbulent; blustering; vehement.
[1913 Webster]