1. A sacred musical composition; a place of worship.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• oratorial,
• onatario,
• onatrio,
• iratorio,
• kratorio,
• lratorio,
• oratoriio,
• oratoro,
• oratoorio,
• oratorrio,
• Aratori,
• oratoral,
• oratoria,
• oratoriou,
• oratorie,
• oratiio,
• orattio,
• tratoria,
• Orgatoid,
• Elatorim

• oratorical,
• oratory,
• orator.

The adjective form of the word "oratorio" is "oratorio". The word remains the same in both the noun and adjective forms.

The plural of the "oratorio" can be the "oratorios".

The singular of the "oratorio" can be the "oratorio".