insidiously | ||
1. | [ adverb ] in a harmfully insidious manner | |
Synonyms: | perniciously | |
Examples: | "these drugs act insidiously" |
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Related terms: | insidious baneful baneful insidious | |
Similar spelling: |
insidious insidiousness injudiciously injudicious iniquitously incautiously iniquitous incautious in_stride |