(formal, disapproving) spreading gradually or without being noticed, but causing serious harm:
the insidious effects of polluted water supplies
insidiously adverb:
This kind of advertising acts insidiously on young minds.
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About this entry
This is a English–English dictionary entry.
Sourced from Main Dictionary in Lughet's collection.
This word also appears under other sources in Lughet's collection — see the list below.
Where does this definition of insidious come from?
This entry for insidious is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is insidious a noun, verb, or something else?
In this entry, insidious is tagged as adjective.
Does insidious appear elsewhere on Lughet?
Yes — insidious appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.
