cutting edge
Cutting edge (adjective) means So new and advanced that nothing else has gone further; at the front of what is currently possible in a field. Usually written with a hyphen before a noun. Example: “The lab uses cutting-edge gene-editing techniques.”
How to use cutting edge
Learner’s notesIn plain EnglishThe newest and most advanced there is.
Neutral, though heavily worn down by marketing use.
Fill the gap
Can you complete this real example?
The company sat at the _____ of battery research for a decade.