ˌhigh-ˈlevel BrE AmE adjective [only before noun]
1 . in a powerful position or job, or involving people who are in powerful positions or jobs:
high-level executives
high-level meetings/talks/negotiations etc
a high-level conference on arms control
2 . at a high degree or strength:
The virus has shown high-level resistance to penicillin
3 . involving very technical or complicated ideas
4 . a high-level computer language is similar to human language rather than machine language
⇨ ↑ low-level