- mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water.
- a particular kind of such matter: igneous rock.
- a piece of money.
- a dollar bill.
- a diamond.
- any gem.
- crack (def. 33).
- a pellet or lump of crack.
Idioms about rock
Origin of rock1
OTHER WORDS FROM rockrock·less, adjectiverock·like, adjective
WORDS THAT MAY BE CONFUSED WITH rockboulder, cobblestone, granule, pebble, rock , stone
Other definitions for rock (2 of 4)
- to stir up; animate: We're gonna rock this joint tonight!
- to use, wear, or display in a showy, self-confident manner or to great effect: Only you could rock that hat!The game rocks some amazing new features.
OTHER WORDS FOR rock
Origin of rock2
synonym study for rock
OTHER WORDS FROM rockrock·a·ble, adjectiverock·ing·ly, adverbun·rocked, adjective
Other definitions for rock (3 of 4)
Origin of rock3
Other definitions for rock (4 of 4)
How to use rock in a sentence
As we just said, when your opponent played rock or paper, you should play paper.Can You Reach The Beach?|Zach Wissner-Gross|August 7, 2020|FiveThirtyEight
Walking around on the surface of the Earth every day, it’s easy to forget that a superhot pool of melted rock lies deep beneath our feet.Let’s learn about volcanoes|Bethany Brookshire|August 5, 2020|Science News For Students
Most suspect the balls form when airborne moss spores gain a foothold on a small rock or similar debris.On an Alaskan glacier, little green moss balls roll in herds|Beth Geiger|July 30, 2020|Science News For Students
The instruments will seek signs of ancient microbes preserved in Martian rocks and soil, and help scientists decide which rocks to store for a future mission to return to Earth.NASA’s Perseverance rover will seek signs of past life on Mars|Lisa Grossman|July 28, 2020|Science News
The fossil was pulled from roughly 110 million-year-old rocks in Alberta, Canada.Fossil stomach reveals a dinosaur’s last meal|Carolyn Wilke|July 7, 2020|Science News For Students
And think of world-rocking changes in gender roles and expectations.This One Picture of Telly Savalas Refutes All Fears That Progress Has Ended|Nick Gillespie|October 30, 2014|DAILY BEAST
For other worlds, we usually have to rely on other data: fluctuations in gravity, or the gentle rocking motion known as libration.Saturn’s Death Star Look-Alike|Matthew R. Francis|October 19, 2014|DAILY BEAST
The involvement of Huda-Par and the Grey Wolves in the violence rocking the southeast augurs badly.Kobani is Falling to ISIS in Syria. Kurd Protests Explode in Turkey.|Jamie Dettmer|October 10, 2014|DAILY BEAST
The horseman, aka Abraham, is actually passably cute, with a rocking bod and apparently steady source of income.Naked Ben Franklin Christens the Campy Return of ‘Sleepy Hollow’|Amy Zimmerman|September 23, 2014|DAILY BEAST
The mattress causes the boat to tip forward, and in the ensuing rocking the boat begins to take on water.Whatever You Do Someone Will Die. A Short Story About Impossible Choices in Iraq|Nathan Bradley Bethea|August 31, 2014|DAILY BEAST
Mr. Crow was rocking back and forth on his perch, for a joke—on anybody except himself—always delighted him.The Tale of Grandfather Mole|Arthur Scott Bailey
There was a very audible titter in the corner where three thoughtless young girls had squeezed themselves into one rocking-chair.
By this time the bent figure sitting in the rocking-chair, near the coffin began to show signs of life and whimper a little.The Cromptons|Mary J. Holmes
"It's curious how attached one gets to a dog," said Perry sagely, resuming his rocking from heel to toe and toe to heel.
There was a lump in Perry's throat at that moment, and he stopped his rocking and turned to the fire, so his back was toward me.
British Dictionary definitions for rock (1 of 3)
- in a state of ruin or destitution
- (of drinks, esp whisky) served with ice
Word Origin for rock
British Dictionary definitions for rock (2 of 3)
Word Origin for rock
British Dictionary definitions for rock (3 of 3)
Scientific definitions for rock
Other Idioms and Phrases with rock
In addition to the idioms beginning with rock
- rock bottom
- rocks in one's head, have
- rock the boat
- between a rock and a hard place
- on the rocks
- steady as a rock