Definition of pervasive adjective in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. - "The pervasive impact of climate change is felt across the globe." - "In her writings, the pervasive influence of existential philosophy is evident." In summary, " pervasive " is a versatile adjective that conveys the idea of something being deeply ingrained or extensively spread across different areas or aspects of life. It is often used to highlight the significance or impact of a phenomenon in a broad context. Pervasive means present or felt throughout a place or thing, especially something bad. Learn how to use this adjective in sentences, synonyms, pronunciation, and related words. pervasive definition : existing or felt everywhere in a place or group. Check meanings, examples, usage tips, pronunciation, domains, related words.