different between treachery vs treacherous

English

Etymology

From Middle English trecherie, from Old French tricherie, trecherie, from tricher, trichier (“to cheat”), from Middle Dutch trek (“a trick”), from trekken (“to draw, play a trick on”). More at trick.

Pronunciation

• IPA^(key): /?t??t???i/, /?t??t??i/

Noun

treachery (countable and uncountable, plural treacheries)

1. Deliberate, often calculated, disregard for trust or faith.
2. The act of violating the confidence of another, usually for personal gain.
3. Treason.

Synonyms

• Punic faith
• treacherousness

Derived terms

• treacher
• treacherous

Related terms

• trick
• trickster
• tricky

Translations

Further reading

• “treachery” in the Cambridge English Dictionary, Cambridge: Cambridge University Press.
• treachery in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• treachery in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• treachery at OneLook Dictionary Search

English

Etymology

From Old French trecheros, tricheros (“deceitful”). See treacher.

Pronunciation

• IPA^(key): /?t??t????s/, /?t??t???s/

Adjective

treacherous (comparative more treacherous, superlative most treacherous)

1. Exhibiting treachery.
2. Deceitful; inclined to betray.
3. Unreliable; dangerous.

   a treacherous mountain trail

Antonyms

• (exhibiting treachery): loyal

Related terms

Translations

Further reading

• treacherous in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• treacherous in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• treacherous at OneLook Dictionary Search