Akademik

a deceitful or treacherous person

TRAITOR, turncoat, betrayer, informer, back-stabber, double-crosser, quisling, Judas; fraudster, trickster, charlatan; informal two-timer, rat.

→ snake

1. : a lurking or unsuspected danger

2. : a secretly faithless friend

1. a treacherous person, esp. one who feigns friendship.

2. a concealed danger.

[1690-1700]

snake in the grass (figurative)

1. Someone who injures treacherously or furtively

2. A lurking danger

Main Entry: ↑snake

a ˌsnake (in the ˈgrass) idiom

(disapproving) a person who pretends to be your friend but who cannot be trusted

Main entry: ↑snake_idiom