• (GA) IPA: /ˈvaɪpɚ/

viper (plural vipers)

1. A venomous snake in the family Viperidae.

   Synonyms: adder

2. A dangerous, treacherous, or malignant person.
   • 1671, John Milton, “Samson Agonistes, […]”, in Paradise Regain’d. A Poem. In IV Books. To which is Added, Samson Agonistes, London: Printed by J. M[acock] for John Starkey […], OCLC 228732398 ↗, [https://archive.org/stream/paradiseregaindp00milt_0#page/{}/mode/1up page 62]:

     And aggravate my folly who committed / To ſuch a viper his moſt ſacred truſt / Of ſecreſie, my ſafety, and my life.

3. (slang) A person who smokes marijuana.

• French: vipère
• German: Kreuzotter, Otter, Viper
• Italian: vipera
• Portuguese: víbora
• Russian: гадю́ка
• Spanish: víbora