If
"If" in Japanese
...えば
...eba
(supposing that)
...だったら
...dattara
(supposing that)
...ては
...te wa
(supposing that)
...と
(supposing that)
...なら
...nara
(supposing that)
...ならば
...naraba
(supposing that)
か
ka
(whether)
かどうか
...ka dō ka
(whether)
もし...
moshi...
(supposing that)
仮定
katei
(a theoretical condition)
More for "if"
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.