Definition of jel in US English:

jel

adjective

British
informal
  • predicative Jealous.

    ‘we're in the hot tub—are you jel?’
    • ‘Neither star has spoken to confirm whether the friendship has blossomed into a romance, but we bet plenty of males are well jel to be waking up to the news.’
    • ‘Umm, jel much?’
    • ‘Miranda models an endless parade of skimpy cossies, making us all well jel of her ridiculously long legs and perfectly bronzed skin.’
    • ‘I'm a little jel of Amy's looks.’
    • ‘My friends are gonna be so jel!’
    • ‘Apparently, we are totes jel of their true love.’
    • ‘Don't be jel just cos they've made it in life.’
    • ‘Are you well jel of Jess's singing?’
    • ‘She makes the world super jel by showing off her toned tum in her latest selfie.’
    • ‘Her Vegas accommodation is making us well jel.’

Origin

1990s: abbreviation.

Pronunciation

jel

/jel/