Princeton's WordNet

1. slang, slang expression, slang term(noun)

   informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar

   "their speech was full of slang expressions"

2. slang, cant, jargon, lingo, argot, patois, vernacular(verb)

   a characteristic language of a particular group (as among thieves)

   "they don't speak our lingo"

3. slang(verb)

   use slang or vulgar language

4. gull, dupe, slang, befool, cod, fool, put on, take in, put one over, put one across(verb)

   fool or hoax

   "The immigrant was duped because he trusted everyone"; "You can't fool me!"

5. slang(verb)

   abuse with coarse language

Kernerman English Learner's Dictionary

1. slang(noun)æŋ

   informal, spoken language, often used among a particular group

   teenage slang

Wiktionary

1. slang(Noun)

   Language outside of conventional usage.

2. slang(Noun)

   Language that is unique to a particular profession or subject; jargon.

3. slang(Noun)

   The specialized language of a social group, sometimes used to make what is said unintelligible to those not members of the group; cant.

4. slang(Verb)

   To vocally abuse, or shout at.

Webster Dictionary

1. Slang

   imp. of Sling. Slung

2. Slang(noun)

   any long, narrow piece of land; a promontory

3. Slang(noun)

   a fetter worn on the leg by a convict

4. Slang(noun)

   low, vulgar, unauthorized language; a popular but unauthorized word, phrase, or mode of expression; also, the jargon of some particular calling or class in society; low popular cant; as, the slang of the theater, of college, of sailors, etc

5. Slang(verb)

   to address with slang or ribaldry; to insult with vulgar language

6. Slang

   of Sling

• slengAfrikaans
• كَلِمات وتعابير عاميَّهArabic
• жаргонBulgarian
• gíriaPortuguese (BR)
• slangCzech
• die UmgangsspracheGerman
• slang; -slangDanish
• αργκόGreek
• argot, jergaSpanish
• slängEstonian
• زبان عاميانهFarsi
• slangiFinnish
• argotFrench
• סְלֶנג, עָגָהHebrew
• अपभाषा, गंवारू बोलीHindi
• slang,žargonCroatian
• szlengHungarian
• istilah khususIndonesian
• slangurIcelandic
• slang, gergoItalian
• 俗語Japanese
• 속어Korean
• žargonas, slengasLithuanian
• slengs;žargonsLatvian
• slangaMalay
• gemeenzame taalDutch
• slangNorwegian
• żargonPolish
• زبان عاميانهPersian
• عاميانه محاوره، ديوې خاصې ډلې محاوره، غير ادبي ژبه، ځانګړې اصطلاح (لكه دغلو په منځ كېPashto
• calãoPortuguese
• slang, argouRomanian
• сленг, жаргонRussian
• slangSlovak
• slengSlovenian
• slengSerbian
• slangSwedish
• ถ้อยคำที่เป็นภาษาพูดและใช้ในกลุ่มคนบางกลุ่มThai
• argoTurkish
• 俚語Chinese (Trad.)
• сленг, жаргонUkrainian
• عامیانہ بولیUrdu
• tiếng lóngVietnamese
• 俚语Chinese (Simp.)