Find Synonyms

treacherously Synonyms

Another word for treacherously

Choosing another word for treacherously depends on context, so the 12 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adverb (Context 1)

In a manner characterized by betrayal, deceit, or breach of trust; disloyally or faithlessly.

Usage Example

"The advisor acted traitorously by leaking confidential negotiations to the rival firm."

Strongest
traitorously
perfidiously
deceitfully
disloyally
Strong
faithlessly
duplicitously
falsely

• adverb (Context 2)

In a manner that presents hidden, unpredictable, or severe physical dangers; precariously or hazardously.

Usage Example

"The mountain pass became precariously icy after the sudden drop in temperature."

Strongest
precariously
perilously
hazardously
Strong
dangerously
unsafely

Opposites of treacherously

The opposite of treacherously shifts depending on context. Common opposites include:

loyally
safely
faithfully
securely
trustworthily
dependably
harmlessly
reliably
See all opposites of treacherously

• Nearby Words

tray
traybake
treacherous
treacherously
treacherousness
treachery
treacle

Cite this Entry

Wordmom. (2026). Synonyms for Treacherously. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/treacherously
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