How to say "eagerly" in Japanese

• 鋭意えいいCommon
  adverbCovers eager, zealous effort directed at a goal — earnestly and wholeheartedly getting on with a task. A typical context is an announcement that work on something is actively under way.
• いそいそCommon
  adverb (with と), suru verbCovers the bright, eager way someone does something they are happy about — a mimetic word for cheerful, willing movement. Picture someone setting out briskly for an outing they have been looking forward to.
  智子ともこはイソイソと出掛でかけていった。↗

  Tomoko bounced happily out the door.
• 一生懸命いっしょうけんめいJLPT N4approx.Common
  adverb, na-adjective, nounCovers 'eagerly' in the sense of trying one's hardest — it stresses utmost effort rather than keen desire. A typical context is studying or working with all one's might to achieve something.
  もっと一生懸命いっしょうけんめい勉強べんきょうすべきだったのに。↗

  You should have worked harder.
• しきりにJLPT N3approx.Common
  adverbCovers keen, intent eagerness — doing something repeatedly or intensely out of strong interest or desire, such as urging or asking someone over and over. Less about joyful anticipation than about insistence.
  トムはしきりに新車しんしゃを買かいたがっている。↗

  Tom is eager to buy a new car.

Choose among these by what kind of eagerness you mean: 鋭意 for zealous pursuit of a goal, 「いそいそ」 for cheerful eagerness, 一生懸命 for maximum effort, and 「しきりに」 for keen, insistent action or interest.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 鋭意えいいeagerly
• いそいそcheerfully
• 一生懸命いっしょうけんめいvery hard
• 切にせつにeagerly
• 今か今かいまかいまかeagerly (waiting)
• 他念無くたねんなくeagerly
• 今や遅しといまやおそしとimpatiently
• 虎視眈々こしたんたんvigilantly (watching for an opportunity)
• 食い入るようにくいいるようにwith intense concentration
• 一所懸命いっしょけんめいvery hard
• 弥猛にやたけにimpetuously
• 盛んにさかんにactively
• 眈々たんたん(glaring) covetously
• しきりにeagerly
• がつがつgreedily
• しきりとeagerly