The Latin word for treacherous is perfidus.
Latin was the language spoken by the Romans.
It was a treacherous hike to the top of the mountain.
treacher
dangeroushazardousominousperilousprecariousriskyunsafe
Treacherous
The word treacherous is an adjective. It describes someone who exhibits treachery.
the answer for another word for not to be trusted is treacherous
Disloyal dastardly
Yes, treachery.
Synonyms for the adjective treacherous are traitorous, treasonous, disloyal, faithless, unfaithful, false, insidious, or deceitful.
Synonyms for the adjective treacherous are traitorous, treasonous, disloyal, faithless, unfaithful, false, insidious, or deceitful.
Another word for "insidious" is the word "treacherous"[or "sly",or "crafty"].
Yes - the root word is "treachery" which makes the suffix "-ous"