adverb
definition
In an insidious manner
Examples of insidiously in a Sentence
The risks of accidents while trotting around with bare feet are insidiously high.
This just shows how Tony Blair's Nanny State has insidiously planted the many social workers to clandestinely arrange social engineering.
This just shows how Tony Blair 's Nanny State has insidiously planted the many social workers to clandestinely arrange social engineering.
Of his two capital errors, regarding respectively the theory of the tides and the nature of comets, the first was insidiously recommended to him by his passionate desire to find a physical confirmation of the earth's double motion; the second was adopted for the purpose of rebutting an anti-Copernican argument founded on the planetary analogies of those erratic subjects of the sun.