IPA: /prəˈfeɪnli/
KK: /prəˈfeɪnli/
To do something in a disrespectful or irreverent way, especially towards something considered sacred.
He spoke profanely during the ceremony, which upset many attendees.
Profanely → It is formed from "profanus" (from Latin, meaning outside the temple or secular) and the adverbial suffix "-ly" (meaning in a manner of). The word "profanely" means in a manner that is secular or disrespectful towards sacred things.
Think of 'secular' or 'outside the temple' to remember that 'profanely' refers to behaving in a disrespectful or irreverent manner towards what is sacred.