隠語|いんごingo[0]heiban (flat)
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- nounsecret language; jargon; cant; argot; slang
- SynonymジャーゴンNeutralLoanword for jargon: hard-to-follow technical terms used within a professional circle. The stress is on specialist vocabulary, not on keeping anything secret.
- Related隠し言葉かくしことばNeutralNative-Japanese word for speech used only within one's own group so that outsiders cannot understand; the focus is squarely on keeping outsiders from knowing.
- RelatedスラングCasualLoanword for slang: casual, rough or vulgar everyday speech, colloquial in tone. Its focus is informality rather than serving as a code.
For secret talk used within a specific group that outsiders cannot follow — police or criminal cant, for example — choose 「隠語」. For professional or technical terms use 「ジャーゴン」 or 「専門用語」; for casual, vulgar speech use 「スラング」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


