1
[ adjective ] dangerously unstable and unpredictable

Synonyms

unreliable

Examples

"treacherous winding roads" "an unreliable trestle"

Used in print

(Edward Streeter, The Chairman of the Bored....)

He turned_over impatiently and pulled the sheet over his head against the treacherous encroachment of the dawn .

Related terms

dangerous

2
[ adjective ] tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans

Synonyms

perfidious punic

Examples

"Punic faith" "the perfidious Judas" "the fiercest and most treacherous of foes" "treacherous intrigues"

Related terms

unfaithful

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