viperlike
Sneaky and poisonous
Resembling or characteristic of a viper—the venomous snake known for striking quickly and without warning.
The word usually describes people or behavior that seems treacherous, malicious, or poised to harm: a viperlike tongue, viperlike cunning.
Less commonly, it describes physical features suggesting a snake: viperlike eyes.
Injected animal poison
- fangsSharp piercing teeth
- toxicCapable of causing harm
- lethalCausing or capable of death
- deadlyAble to cause expiration
venomous · neurotoxin · hemotoxin · cytotoxin · antivenom · envenomation · bites · cobra
Breaking of trust
- backstabbingCovert betrayal of trust
- perfidiousDeliberately breaking faith
- traitorousGuilty of betrayal
- disloyalUntrue to commitments
double-dealing · untrustworthy · false · treasonous · duplicitous · unfaithful · two-faced · deceitful
Conveying threat or danger
- threateningExpressing intent to harm
- hostileAggressively unfriendly
- aggressiveHostile and confrontational
- viciousCruelly aggressive in nature
malicious · sinister · dangerous · perilous · harmful · cold-blooded · pitiless · ruthless
venom
Injected animal poison
deadly · venomous · neurotoxin · hemotoxin · cytotoxin · antivenom · envenomation · bites · cobra · rattlesnake
betrayal
Breaking of trust
- backstabbingCovert betrayal of trust
- perfidiousDeliberately breaking faith
- traitorousGuilty of betrayal
disloyal · double-dealing · untrustworthy · false · treasonous · duplicitous · unfaithful · two-faced · deceitful · insidious
menacing
Conveying threat or danger
- threateningExpressing intent to harm
- hostileAggressively unfriendly
- aggressiveHostile and confrontational
vicious · malicious · sinister · dangerous · perilous · harmful · cold-blooded · pitiless · ruthless · merciless
sly
Cleverly deceptive
calculating · guileful · devious · subtle · artful · scheming · manipulative · conniving · sneaky · covert
viperlikebenevolent
Desiring others' welfare
trustworthy · gentle · harmless · guileless · sincere