Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “rock”

See all translations

rock

noun  /rɑk/ us  

rock noun (STONE)

[C/U] a large mass of stone that sticks up out of the ground or the sea, or a separate piece of stone: [U] This is some of the oldest rock on the earth’s surface. [C] Waves crashed against the rocks. [C] Bees poured into the neighborhood when boys threw rocks at the hives. [C/U] slang A rock is also a diamond or other jewel.

rock noun (MUSIC)

[U] ( also rock-and-roll,  /ˌrɑk·ənˈroʊl/, rock ’n’ roll) a type of popular music with a strong beat, which is usually played with electric guitars and drums

rock

verb [I/T]  /rɑk/ us  

rock verb [I/T] (MOVE)

to move something or cause something to move backward and forward or from side to side: [T] He rocked the baby to sleep. [I] If you rock back on that chair, you’re going to break it. If a building or area rocks, it shakes it violently: [T] An earthquake rocked the downtown area today. If a person or place is rocked, it is surprised, upset, or excited: [T] The university was rocked by the scandal.

rock verb [I/T] (BE EXCELLENT)

to be extremely good: [I] She's such a great role model for young women – she really rocks!
(Definition of rock from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of rock?
Add Cambridge dictionaries to your browser to your website

Definitions of “rock” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More