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.
Treacherous
treacher
dangeroushazardousominousperilousprecariousriskyunsafe
The word treacherous is an adjective. It describes someone who exhibits treachery.
the answer for another word for not to be trusted is treacherous
Yes, treachery.
Disloyal dastardly
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"