凸凹
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Base noun form. Describes an irregular or bumpy surface. Can be used as a noun or adverb, e.g., 『道が凸凹だ』 (michi ga dekoboko da, 'the road is uneven').
Theme
Two friends, Ken and User, are hiking in the mountains and discussing the trail conditions.
凸凹
でこぼこ
unevenness / roughness / ruggedness
Advanced ExpansionOnomatopoeia
Memory Hook
Think of a bumpy road with 'to' (凸) bumps and 'otsu' (凹) dips — it's all uneven! 'To-otsu' → 凸凹 (dekoboko, 'unevenness').
Cultural Note
『凸凹』 (dekoboko) is often used in everyday Japanese to describe rough surfaces, like roads or terrain. It's also a common term in construction or design to indicate irregularities.
Forms
Base: 凸凹Base noun form. Describes an irregular or bumpy surface. Can be used as a noun or adverb, e.g., 『道が凸凹だ』 (michi ga dekoboko da, 'the road is uneven').