JMdict: 1379870

精一杯 【せいいっぱい】

  1. [n] the best one can do; one's best effort
  2. [n,adv] with all one's might; to the best of one's ability
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Refined, Ghost, Fairy, Energy, Vitality, Semen, Excellence, Purity, Skill セイ, ショウ しら.げる, くわ.しい
One, One Radical (no.1) イチ, イツ ひと-, ひと.つ
Counter For Cupfuls, Wine Glass, Glass, Toast ハイ さかずき

Words often seen with this one: (experimental feature)

こと (86), 自分 (65),  (57),  (42), この (38), できる (24),  (23), オレ (23),  (19),  (18), その (14), 満月 (13), あたし (13), 努力 (12), よう (12), ように (10), として (10),  (10)