✨ Basic Meaning
🎯 Primary Function
📋 Grammar Structure
🎭 Usage Contexts
Can be used, but often in contexts describing someone’s intentional action. More formal alternatives like 故意に (koini) exist.
Very commonly used in everyday conversation.
Frequently appears in written text, including literature and articles.
Very common in spoken Japanese.
💡 Common Applications
📌 Important Points
⚠️ Common Mistakes
🏛️ Cultural Context
🔍 Subtle Differences
📝 Conjugation Notes
Adverb; does not conjugate.
🔊 Pronunciation Tips
Pronounced wah-zah-toh. The stress is relatively flat, slightly emphasizing the first syllable.
🧠 Memory Tips
Think of someone doing something “on purpose” or “deliberately,” perhaps with a slightly mischievous or planned intent. Associate it with actions that aren’t accidental.

I’m a software engineer based in Japan, with experience in developing web and mobile applications. I’m passionate about technology, especially in DevOps, AI, and app development using platforms like AWS, Flutter, and Node.js. My goal is to build a website that shares knowledge about the Japanese language and IT, helping everyone learn and grow more easily in the digital era.