boulderboulder /ˈboʊldɚ/ ●○○ noun [countable] 
a large stone or piece of rock: Two huge boulders blocked the road.
a large stone or piece of rock: Two huge boulders blocked the road.- inestimably
- inevitability
- inevitable
- inevitably
- inexact
- inexactness
- inexcusable
- inexcusably
- inexhaustible
- inexhaustibly
- inexorable
- inexorably
- inexpedience
- inexpedient
- inexpensive
- inexpensively
- inexperience
- inexperienced
- inexpert
- inexpertly
- inexplicable
- inexplicably
- inexpressible
- inexpressibly
- inexpressive