Definition of high-level
1
:occurring, done, or placed at a high level
2
:being of high importance or rank
- high-level diplomats
3
:of, relating to, or being a computer programming language (such as BASIC or Pascal) which is similar to a natural language (such as English) and in which each statement is translated by a compiler usually into several machine language instructions
4
:relating to or being nuclear waste that contains highly concentrated radioactive components which are environmentally hazardous
