Synonyms of high level

Adjective

1. high-level, high-ranking, upper-level, superior (vs. inferior)

usage: at an elevated level in rank or importance; "a high-level official"; "a high-level corporate briefing"; "upper-level management"

2. high-level, high-altitude, high (vs. low)

usage: occurring at or from a relative high altitude; "high-level bombing"