/ˈfeɪθɒnɪk/ (FAY-tho-nik)

Definitions

1. adjective

relating to or characteristic of the sun, its energy, or light

“The phaethonic radiation from the sun has a profound impact on our ecosystem.”

2. noun

a person who is radiant or charismatic, often in a sunny or optimistic way

“She’s always been a phaethonic presence at social gatherings, lighting up the room with her infectious energy.”