Ronger (en. To gnaw)
/ʁɔ̃ʒe/
Slang Meanings
To be gnawed by envy
He is gnawed by envy seeing his friend's success.
Il ronge d'envie en voyant le succès de son ami.
To rack one's brains
He is racking his brains to find a solution to his problem.
Il se ronge les méninges pour trouver une solution à son problème.