insidious
/ɪnˈsɪdiəs/
Gradually causing harm in a way that is difficult to notice.
Example
The disease can be insidious because symptoms may develop slowly.
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EN · C2 · LEARN
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Understand each item before testing yourself. Choose honestly whether it already feels familiar or needs practice.
/ɪnˈsɪdiəs/
Gradually causing harm in a way that is difficult to notice.
Example
The disease can be insidious because symptoms may develop slowly.
Source level: C2. Practise meanings and examples. Individual senses may need a different level.
/ɪnˈsɪdiəs/
Gradually causing harm in a way that is difficult to notice.
The disease can be insidious because symptoms may develop slowly.
/prəˈpɪʃəs/
Likely to lead to success or favorable results.
Falling interest rates created a propitious environment for investment.
/ˈdʒʌkstəˌpoʊz/
To place two things close together in order to compare or contrast them.
The exhibition juxtaposes contemporary photographs with nineteenth-century paintings.
/əbˈsiːkwiəs/
Excessively eager to please or obey someone important.
The manager disliked the employee's obsequious attempts to gain favor.
/ˌvɛrəsɪˈmɪlɪˌtuːd/
The appearance of being true or real.
Small historical details give the novel a strong sense of verisimilitude.
/ɪˈbʊljənt/
Very energetic, cheerful and enthusiastic.
Her ebullient personality made her a natural host.
/ˈdɪfɪdənt/
Lacking confidence and being reserved in manner.
Although highly qualified, he was diffident during the interview.
/ˌdɪsəˈbjuːz/
To persuade someone that a belief or idea is mistaken.
The data should disabuse investors of the idea that growth will be effortless.
/mɛnˈdeɪʃəs/
Not telling the truth; habitually dishonest.
The investigation exposed several mendacious claims in the report.
/ˈtɛnjuəs/
Very weak, slight or uncertain.
The prosecution's case depended on a tenuous link between the two events.