groundbreaking
definition
very innovative or pioneering in a field or area
example
The researchers developed a groundbreaking technology that revolutionized renewable energy sources.
synonyms
innovativepioneeringrevolutionary
word origin — The word 'groundbreaking' is derived from the combination of 'ground,' meaning the earth or soil, and 'breaking,' referring to the act of breaking new ground or starting a new venture. It has been used since the late 19th century to describe innovative projects.