SAT GRE TOEFL

insidious

Definition

Proceeding in a subtle or gradual way, but with harmful effects.

日本語 微妙な方法で進んで、害のある影響をもたらす

Example

"The insidious disease showed no symptoms until it was advanced."
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Study tips featuring "insidious"

TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT

Related words

SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal