groundbreaking

[ ground-brey-king ]
/ ˈgraʊndˌbreɪ kɪŋ /

noun

the act or ceremony of breaking ground for a new construction project.

adjective

of or relating to such a ceremony.
originating or pioneering a new endeavor, field of inquiry, or the like: Pasteur's groundbreaking work in bacteriology.

Origin of groundbreaking

First recorded in 1905–10; ground1 + break + -ing1, -ing2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for groundbreaking

Word Origin and History for groundbreaking

groundbreaking


adj.

1907 as a figurative adjective, from expression to break ground, either for planting or for building; see ground (n.) + break (v.).

Online Etymology Dictionary, © 2010 Douglas Harper