groundbreaking
UK /ˈɡɹaʊndˌbɹeɪkɪŋ/ US /ˈɡɹaʊndˌbɹeɪkɪŋ/
noun 2adj 1
Definitions
adj
1
Innovative; new, different; doing something that has never been done before.
The latest model includes several groundbreaking features and improvements.
noun
1
The point at which construction begins, by digging into the ground.
2
A ceremony to mark the beginning of construction.
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