Whether

"Whether" in Japanese

ka

(introducing indirect questions)

ka

(if, whether or not)

かどうか

...ka dō ka

(introducing indirect questions)

かどうか

-ka dō ka

(if, whether or not)

か否か

-ka ina ka

(if, whether or not)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.