zuru verb
Physical throwing or metaphorical casting (vote, light, shadow). Usually replaced by 投じる in modern Japanese.
See also: 投じる
彼は会議で重要な一票を投じた。
He cast an important vote at the meeting.
zuru verb, transitive verb
devote oneself; throw oneself into
Used in the fixed expression 身を投ずる, meaning to dedicate oneself to a cause or activity.
彼は教育の改革に身を投じた。
He devoted himself to educational reform.
zuru verb, transitive verb
Used for investing money, effort, or resources. Often seen in financial or abstract contexts.
彼は全財産をその事業に投じた。
He invested all his fortune in that enterprise.
zuru verb, transitive verb
Typically used in medical contexts for administering drugs or treatment.
医者は患者に新薬を投じた。
The doctor administered a new drug to the patient.
zuru verb, intransitive verb
Intransitive use meaning to give oneself up or yield, often in a competitive or conflict context.
敵軍はついに投じた。
The enemy forces finally surrendered.
zuru verb, intransitive verb
take advantage of; make full use of
Intransitive use with に, meaning to seize an opportunity or exploit a situation.
彼は好機に投じて一気に成功した。
He took advantage of the opportunity and succeeded at once.
zuru verb, intransitive verb
fit well with; match with; be in tune with
Intransitive use with に, indicating harmony or compatibility. Rare and somewhat literary.
その曲は彼の気分に投じた。
The tune matched his mood.
zuru verb, intransitive verb
Intransitive use meaning to put up at an inn or lodging. Rare and somewhat archaic.
旅人はその宿に投じた。
The traveler stayed at that inn.