(げんき)いっぱい

げんきいっぱい
expression
full of energy; full of life; bursting with vitality
1. full of energy; full of life; bursting with vitality
Describes a state of being very lively, healthy, and energetic. Often used to describe children, animals, or anyone showing high spirits.
()どもたちは元気(げんき)いっぱいだ。
The children are full of energy.
元気(げんき)いっぱいに(あそ)んでいる。
They are playing with great energy.
(あさ)ごはんをしっかり()べて、元気(げんき)いっぱいで学校(がっこう)()った。
After eating a proper breakfast, they went to school full of energy.

A set phrase combining 元気(げんき) ('energy, health, vigor') with いっぱい ('full of'). It has a warm, positive tone and is especially common when talking about children, pets, or cheerful atmospheres. Can be used as a predicate (元気(げんき)いっぱいだ) or as an adverb (元気(げんき)いっぱいに).

USAGE:
As a predicate: ()どもたちは元気(げんき)いっぱいだ (the children are full of energy).
As an adverbial modifier: 元気(げんき)いっぱいに(はし)(まわ)る (to run around full of energy).

SIMILAR EXPRESSIONS:

  • 元気(げんき)はつらつ: brimming with energy — slightly more formal, often used in advertising
  • ()()きしている: lively, vibrant — describes liveliness in a broader sense
  • ピンピンしている: hale and hearty — emphasizes physical health, especially of elderly people