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".
I've been to several specialists and no one can cure this insidious rash.
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.
Insidious definition:appealing but imperceptibly harmful, seductivesentence: Liza's insidious blueberry muffins taste so good but makes you fell so sick later on!
What is a sentence for this word? I entered the contest for a chance at a prize.
Morrie's disease "ALS" is insidious .
the investigators uncovered an insidious scheme to rob people of their money
Facetious or insidious
Plagiarism is an insidious habit.
I've been to several specialists and no one can cure this insidious rash.
The book's summary revealed the main character's insidious plot to obtain the large inheritance, illegally.
Another word for "insidious" is the word "treacherous"[or "sly",or "crafty"].
The kindness of a con man is an insidious ploy to gain the trust of his victims.
You divide it like this: in-si-di-ous.
The insidious wickedness of the witch was ably portrayed.
Insidious
You can use the word Truss in a sentence like this.