“Supplementary” in Japanese
Short answer
Supplementary in Japanese is “補足的” (hosokuteki). Full meaning: complementary, supplementary.
Other ways to say “Supplementary” in Japanese
補助的
hojoteki auxiliary, supplementary, subsidiary, ancillary
副
fuku assistant, associate, vice-, sub-, deputy, substitute, auxiliary, supplementary, additional, collateral; duplicate, copy
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