かす
akasu

Godan Verb (su)

1. to bore; to tire; to weary; to stultify

Transitive
かれ演説 えんぜつ聴衆 ちょうしゅう かせなかった。
kareno enzetsuwa chōshūo akasenakatta.
His speech held the attention of the audience.
Godan Verb (su)

2. to use lavishly (and without regret)

Transitive
Other forms: