Stern.

📚 Stern, adjective.

🔉 /stɜːn/ 🇬🇧 /stɜːrn/ 🇺🇸

❓ Definition: Serious and difficult.

❗️ Examples:

1. A stern test of nerves.
2. We face stern opposition.
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🌀 @cambridge_dic

📚 Stern, adjective.

🔉 /stɜːn/ 🇬🇧 /stɜːrn/ 🇺🇸

❓ Definition: Serious and often showing that you do not approve of somebody/something; expecting somebody to obey you.

❗️ Examples:

1. A stern face/expression/look.
2. A stern warning.
3. Her voice was stern.
4. The police are planning sterner measures to combat crime.
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🌀 @cambridge_dic

Based on Stern. Belongs to @Daujn. #2