1. Inflammation of the tonsils.

2. Inflammation of the throat, specially the tonsils.

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

• quansi,
• quinky,
• quesy,
• quinch,
• quandy,
• quinum,
• guinny,
• quies,
• cuinse,
• squins,
• guiny,
• quisi,
• quinns,
• qouins,
• quikcy,
• quincey,
• quicy,
• quiese,
• quinsey,
• quinnsy

• quincy,
• queens,
• quince,
• quango,
• Quang,
• quench.

The adjective form of the word "quinsy" is "quinsyish".

The plural form of the word "quinsy" is "quinsies".

The singular form of the word "quinsy" is "quinsy". The word does not change when used in both the singular and plural forms.