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(of the ground or the sea) extremely dangerous, esp. because of bad weather conditions: Freezing rain made driving treacherous. treacherous adjective (NOT LOYAL) (of a person) guilty of deceiving someone who trusts you: He was treacherous, or at least sneaky.
The meaning of TREACHEROUS is likely to betray trust : unreliable. How to use treacherous in a sentence. Synonym Discussion of Treacherous.
(of the ground or the sea) extremely dangerous, esp. because of bad weather conditions: Freezing rain made driving treacherous. treacherous adjective (NOT LOYAL) (of a person) guilty of deceiving someone who trusts you: He was treacherous, or at least sneaky.
Treacherous definition: characterized by faithlessness or readiness to betray trust; traitorous. . See examples of TREACHEROUS used in a sentence.
Treacherous means either not trusted or dangerous. A treacherous road might be icy or otherwise likely to cause a car accident. A treacherous friend will betray you.
If you describe someone as treacherous, you mean that they are likely to betray you and cannot be trusted. [disapproval] He publicly left the party and denounced its treacherous leaders. The President spoke of the treacherous intentions of the enemy. Synonyms: disloyal, deceitful, untrustworthy, duplicitous More Synonyms of treacherous.
Definition of treacherous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
adj. 1. characterized by faithlessness or readiness to betray trust. 2. deceptive, untrustworthy, or unreliable. 3. unstable or insecure, as footing. 4. dangerous; hazardous: a treacherous climb. treach′er•ous•ly, adv. treach′er•ous•ness, n.
TREACHEROUS definition: 1. very dangerous, especially because of bad weather conditions: 2. If someone is treacherous…. Learn more.
Origin of treacherous 1 First recorded in 1300–50; Middle English trecherous, from Anglo-French, equivalent to trecher “deceiver” ( trech(ier) “to deceive” + -er -er 2 ) + -ous -ous ; compare French tricheur “trickster”
