noun
all possible means; every measure
Often used in phrases like 万策尽きる (to exhaust all options) or 万策を講じる (to take every possible measure). Conveys a sense of exhaustive effort or complete set of strategies.
万策尽きて、彼はついに諦めた。
Having exhausted all possible means, he finally gave up.
政府は感染拡大を防ぐため万策を講じた。
The government took every possible measure to prevent the spread of infection.