Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR INSIDIOUSLY

Are you insidiously advised or tempted to contract it, by any one?

And thus a dead point in the revolution of my affairs was insidiously got over.

Slowly and insidiously it had come to dominate every other problem.

"Better in health, because better in spirits," said the housekeeper, insidiously.

"There," said Miss Baker, insidiously giving the man two and threepence.

But even suspicion may be insidiously placed in noble minds.

It looked, somehow, as if it were insidiously leading the way to an appeal for money.

And now it was as if subtly, insidiously, her relation to him had become inverted.

How bravely they met the grim spectre which crept so insidiously into their homes!

Softly, insidiously, she entwined him with her wonderful white arms.

WORD ORIGIN

1540s, from Middle French insidieux (15c.) or directly from Latin insidiosus "deceitful, cunning, artful," from insidiae (plural) "plot, snare, ambush," from insidere "sit on, occupy," from in- "in" (see in- (2)) + sedere "to sit" (see sedentary). Related: Insidiously; insidiousness.

MORE RELATED WORDS FOR INSIDIOUSLY

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.