treacherous
adjective
treach·er·ous
ˈtre-chə-rəs 
ˈtrech-rəs
1
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
2
: characterized by or manifesting treachery : perfidious
treacherously
adverb
treacherousness
noun
Synonyms
Examples of treacherous in a Sentence
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.
Recent Examples on the Web
Another round of winter weather will sweep across Colorado’s Front Range and Eastern Plains on Friday, with forecasters expecting treacherous road conditions and nearly 3 feet of snow in some areas.
—
Katie Langford, The Denver Post, 7 Nov. 2024
Explaining electoral college math feels easy peasy (thank you, genius New York Times graphics) compared to the treacherous emotional terrain many of us will cross this week.
—Chloe Schama, Vogue, 5 Nov. 2024
But nobody needs to tell the media world about some of the more treacherous alleyways for a business that brings in or sells out to private equity.
—Howard Homonoff, Forbes, 4 Nov. 2024
The combination of these two beliefs is uniquely treacherous for women, as this case has proved.
—Belinda Luscombe, TIME, 30 Oct. 2024
See all Example Sentences for treacherous 
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Katie Langford, The Denver Post, 7 Nov. 2024
Explaining electoral college math feels easy peasy (thank you, genius New York Times graphics) compared to the treacherous emotional terrain many of us will cross this week.
—Chloe Schama, Vogue, 5 Nov. 2024
But nobody needs to tell the media world about some of the more treacherous alleyways for a business that brings in or sells out to private equity.
—Howard Homonoff, Forbes, 4 Nov. 2024
The combination of these two beliefs is uniquely treacherous for women, as this case has proved.
—Belinda Luscombe, TIME, 30 Oct. 2024
See all Example Sentences for treacherous
Dictionary Entries Near treacherous
Cite this Entry
“Treacherous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/treacherous. Accessed 22 Nov. 2024.
Copy CitationKids Definition
treacherous
adjective
treach·er·ous
ˈtrech-(ə-)rəs
1
a
: guilty of treachery
b
: likely to betray : unreliable
a treacherous memory
2
: giving a false appearance of safety or solidity
a treacherous stretch of bog
treacherously
adverb
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