LingakuFrequency rank: 20,430. – 20,520.
- malicious; spiteful; vicious; wicked; devious; underhanded; sly
- shady and damp
adjectival nouns or quasi-adjectives (keiyodoshi); noun (common) (futsuumeishi)
Forms
Wiktionary definitions (experimental)
Example sentences
3 results
In junior high and high schools, they say insidious forms of bullying are on the rise.