天然 てんねん tennen Written Form Kana Romaji IPA Pronunciation English Pronunciation Open Menu Search Add to collection Add to collection... Entry Info... Help Help Meanings Pronunciation Comments Noun , no-Adjective 1. nature; spontaneity Antonym of 人工 この車 くるまは天然 てんねんガスで動 うごく。 kono kurumawa tennengasude ugoku. This car runs on natural gas. Noun , no-Adjective 2. natural airhead Colloquial , Abbreviation , Related to 天然ボケ Word Pronunciation Help 文 文 DefaultA Romaji[ə] IPAŔ Englishあ Hiraganaア Katakana Example Sentences この車 くるまは天然 てんねんガスで動 うごく。 kono kurumawa tennengasude ugoku. This car runs on natural gas. No variants available for this word. Sign in or join to leave a comment. No discussion yet. Share what you know about this word. Delete Comment ✕ Are you sure you want to delete this comment? This action cannot be undone. Cancel Delete