treacherous | treacherously
Exam frequency
Banks
medium
Civil Services
medium
Meaning(s)
dangerous or untrustworthy
How to Memorize
treacherous - dangerous
Analysis
The word ‘treacherous’ is used to express two different things, though both lead to danger. Firstly, it describes a person who is likely to betray you and therefore cannot be trusted. Secondly, it is used to refer to something that is risky or dangerous, particularly with regards to a tricky surface or difficult weather conditions.
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Example(s)
It’s snowing very heavily outside. I’m a bit worried about driving home in such treacherous conditions.
The police managed to uncover a treacherous plot designed to overthrow the leader of the country.
Jack treacherously went behind my back and told the boss what I did. I foolishly thought that I could trust him.