0 (of something unpleasant or dangerous) gradually and secretly causing harm:
1 (of something unpleasant or dangerous) gradually and secretly causing harm:
There was too much competition and too few customers, with an insidious effect on prices, wages and working conditions.
We can conclude that the insidious and purposeful attacks were prompted by what psychologists call pre-emptive contempt.
Realized: - that getting tired (a small word to describe such an insidious feeling) takes longer to recover from and takes from many areas.
A more insidious challenge is when the authentic multimer does not exist in the crystal at all.
In this way, the past finds itself trapped within an insidious cultural exchange and sacrificing what integrity it ever had.
Designing special educational strategies requires sensitivity not only to the most sophisticated teaching techniques but also to the insidious effect of attitudes on children's performance.
It is an insidious system of taxation, which discriminates in favour of the rich.
Following publication of the report, the term 'group think' emerged to suggest that a more insidious aspect of the phenomenology of knowledge had been glimpsed.