使(つか)いこなす

つかいこなす
verb (godan, transitive)
to master; to handle skillfully; to use to full potential
1. to master; to use skillfully; to handle proficiently
To have thorough knowledge and skill in using something, getting the most out of it.
このソフトを使(つか)いこなすには時間(じかん)がかかる。
It takes time to master this software.
道具(どうぐ)を使(つか)いこなせるようになりたい。
I want to become able to handle tools skillfully.
彼女(かのじょ)は外国語(がいこくご)を使(つか)いこなしている。
She has mastered foreign languages.

TRANSITIVITY:
他動詞(たどうし) (transitive)
Pattern: [tool/skill]を使(つか)いこなす

ASPECT:
使(つか)いこなしている indicates a state of having mastered something.

CONJUGATION:

  • 使(つか)いこなさない (negative)
  • 使(つか)いこなして (te-form)
  • 使(つか)いこなした (past)
  • 使(つか)いこなせる (potential) - commonly used

FORMATION:
使(つか)う (to use) + こなす (to handle completely)

The auxiliary verb こなす indicates doing something thoroughly or skillfully.

COLLOCATIONS:

  • パソコンを使(つか)いこなす - to be proficient with computers
  • 言語(げんご)を使(つか)いこなす - to master a language
  • 機能(きのう)を使(つか)いこなす - to make full use of features
  • 完全(かんぜん)に使(つか)いこなす - to fully master

SIMILAR WORDS:

  • マスターする - to master (loanword)
  • 習熟(しゅうじゅく)する - to become proficient
  • 熟知(じゅくち)する - to know thoroughly

Related Words

Related: 使(つか)う (to use)
core
Added 2026.1.19 12:02 · Revised 2026.1.24 23:24
07000/07179_tsukaikonasu