a : likely to betray trust : unreliable <a treacherous memory>
b : providing insecure footing or support <treacherous quicksand>
c : marked by hidden dangers, hazards, or perils
— treach·er·ous·ly adverb
— treach·er·ous·ness noun
Examples of TREACHEROUS
- a treacherous act of betrayal
- They were not prepared to hike over such treacherous terrain.
- The snow made their hike all the more treacherous.
- Discussions about money can lead couples into treacherous territory.
First Known Use of TREACHEROUS
Related to TREACHEROUS
- disloyal, false, fickle, inconstant, perfidious, recreant, traitorous, faithless, unfaithful, untrue
- constant, dedicated, devoted, devout, down-the-line, faithful, fast, loyal, staunch (also stanch), steadfast, steady, true
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