adjective🔗SharePernicieux, insidieuxCausing much harm in a subtle way."The gossip spread through the school quickly, a pernicious influence that damaged many friendships. "Les commérages se sont répandus rapidement dans l'école, une influence pernicieuse qui a endommagé de nombreuses amitiés.negativemoralcharacterattitudetendencyqualitysituationconditionChat with AIVocabulary GamePractice Reading
adjective🔗SharePernicieux, mortelCausing death or injury; deadly."The pesticide was pernicious, causing the death of many garden birds. "Le pesticide était pernicieux, causant la mort de nombreux oiseaux de jardin.medicinediseasenegativebodyChat with AIVocabulary GamePractice Reading
