godan verb (-su), transitive verb
Transitive: consume or expend a resource completely. Often used with money, energy, or supplies.
彼は全財産を使い尽くした。
He used up all his fortune.
食料を食
We ate up all the food.
godan verb (-su), intransitive verb
devote oneself; do one's utmost; serve
Intransitive: give one's all to a person, cause, or duty. Often followed by に or のために.
彼は国のために尽くした。
He devoted himself to his country.
私は家族のために全力を尽くすつもりだ。
I intend to do my utmost for my family.
suffix, godan verb (-su)
do completely; do to exhaustion; do fully
Suffix attached to the -masu stem of a verb. Indicates doing the action thoroughly or until nothing remains.
See also: 食べ尽くす
彼は料理を食べ尽くした。
He ate up all the food.
子供たちはおもちゃで遊び尽くした。
The children played with the toys until they were completely done.