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Though they’re inaudible to human ears, whose range bottoms out at 20 Hz, the interval creates some fairly insidious side effects.
WHY DO WE SEE GHOSTS?JAKE BITTLEOCTOBER 6, 2020POPULAR SCIENCE
Ginsburg delivered her dissent aloud from the bench, accusing her colleagues of either ignoring or failing to comprehend the “insidious” nature of pay discrimination, and called on Congress to act.
HOW A CONSERVATIVE 6-3 MAJORITY WOULD RESHAPE THE SUPREME COURTAMELIA THOMSON-DEVEAUX (AMELIA.THOMSON-DEVEAUX@ABC.COM)SEPTEMBER 28, 2020FIVETHIRTYEIGHT
The most insidious problem, however, is the varroa mite, appropriately named Varroa destructor.
Indeed, air conditioning represents one of the most insidious challenges of climate change, and one of the most difficult technological problems to fix.
Such a situation is particularly insidious because the pay gap she experiences would often go undetected.
HOW TO BE A FAIR-PAY CEOMATTHEWHEIMERAUGUST 25, 2020FORTUNE
Play-writing is a luxury to a journalist, as insidious as golf and much more expensive in time and money.
FIRST PLAYSA. A. MILNE
Each cachet contained three decigrams of malourea, the insidious drug notorious under its trade name of Veronal.
DOPESAX ROHMER
The state of affairs which has come about was uncertain in origin, insidious in growth, and has developed over a wide field.
She believed he sought her, and she must needs fight an insidious liking for him.
REPERTORY OF THE COMEDIE HUMAINE, COMPLETE, A -- ZANATOLE CERFBERR AND JULES FRANOIS CHRISTOPHE
This is a thing I would despise in anybody else; but he is so jolly insidious 240 and ingratiating!

WORDS RELATED TO INSIDIOUS

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

WORD OF THE DAY

sine dieadverb | [sahy-nee -dahy-ee, sin-ey-dee-ey; Latin si-ne -dee-e ]SEE DEFINITION