The person is not aware of it developing. Insidious definition is - having a gradual and cumulative effect : subtle. Insidious onset: Insidious onset is listed as an alternate name or description for symptom: . Learn more.
insidious, sinister, or pernicious?
How to use insidious in a sentence.
Translate insidious into Spanish. (of something unpleasant or dangerous) gradually and secretly causing harm: 2. Proceeding in a gradual, subtle way, but with very harmful effects. insidious definition: The definition of insidious is something or someone who works in a subtle or sly way, or in an intent to trap.
Meaning of insidious in English: insidious. Causes of Vague symptoms (Insidious onset): See detailed list of causes below. Insidious definition: Something that is insidious is unpleasant or dangerous and develops gradually without... | Meaning, pronunciation, translations and examples insidious: [ in-sid´e-us ] coming on stealthily; of gradual and subtle development. Vague symptoms.
An insidious disease is any disease that comes on slowly and does not have obvious symptoms at first.