Traditional: 徹底
彻底 (chè dǐ) means “thorough; thoroughly; complete”. It is an HSK 5 Chinese word (traditional 徹底) in the HSK 3.0 vocabulary.
Practice each character:
他彻底改变了自己的看法。
Tā chèdǐ gǎibiàn le zìjǐ de kànfǎ.
He completely changed his views.
Updated: 2026-05-27