I've been to several specialists and no one can cure this insidious rash.
Insidious means deceitful and cunning. You could use it in a sentence such as "His insidious plan to take over the world might actually work".
The book's summary revealed the main character's insidious plot to obtain the large inheritance, illegally.
You divide it like this: in-si-di-ous.
The hunter stalked silently through the forest, eyes trained on its prey.
Answer this question… How do you make a sentence using the word manipulation
Plagiarism is an insidious habit.
Morrie's disease "ALS" is insidious .
the investigators uncovered an insidious scheme to rob people of their money
Insidious means deceitful and cunning. You could use it in a sentence such as "His insidious plan to take over the world might actually work".
Facetious or insidious
Another word for "insidious" is the word "treacherous"[or "sly",or "crafty"].
I am not writing a sentence using that word.
a sentence using the word endotracheal
This is a sentence using the word aviator.
this is a sentence using the word armchair.
I am saying a sentence using the word collagen.
The book's summary revealed the main character's insidious plot to obtain the large inheritance, illegally.