1. (noun) a characteristic language of a particular group (as among thieves)

• argot
• cant
• jargon
• lingo
• slang
• vernacular

1. (noun) a characteristic language of a particular group (as among thieves)

• non-standard speech

2. (noun) a regional dialect of a language (especially French); usually considered substandard

• accent
• dialect
• idiom

1. (noun) a characteristic language of a particular group (as among thieves)

• rhyming slang
• street name

1. (noun) a characteristic language of a particular group (as among thieves)

• slang
• slangy