he was so perfidioius he got expelled from school
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disloyal
In Tess of the D'urbervilles, Alec is an extremely perfidious person, in that whatever he says to Tess, he can twist it into some completely different meaning that is usually beneficial to himself, but not always so to Tess.The newlywed woman faced many vicissitudes when her husband was killed in a car crash.
Perfidy means to breach trust, to lie deliberately. The word implies deep treachery in a matter of complete trust and usually implies evil intent."The king was so shocked at Jason's perfidy that he had him beheaded."
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
You can use the word Terrorist in a sentence as " Muslims are not terrorist ".
You just did use the word colonize in a sentence.
Since that is not a word I would not attempt to use it in a sentence.
use the word puzzlement in a sentence