Medical Dictionary paranasal adjective para·na·sal \ -ˈnā-zəl \ Trending Now: More Trending: symbiote charlatan lowlife kakistocracy slimeball SEE ALL See What's Trending Now See More Trending Words What's Trending Now More Trending Words symbiote 'an organism living in symbiosis' charlatan 'faker or fraud' lowlife 'a person of low moral character' kakistocracy 'government by the worst people' slimeball 'a morally repulsive or odious person' SEE ALL medical Definition of paranasal : adjacent to the nasal cavities; especially : of, relating to, or affecting the paranasal sinuses paranasal pain Seen and Heard What made you want to look up paranasal? Please tell us where you read or heard it (including the quote, if possible). show hide