Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “R, r”

See all translations

R, r

noun uk   /ɑːr/ us    /ɑːr/ ( plural Rs, R's or r's)

R, r noun (LETTER)

[C or U] the 18th letter of the English alphabet

R, r noun (RIVER)

written abbreviation for river , used in writing before or after the name of a river: R Thames

R, r noun (DIRECTION)

written abbreviation for right noun

R, r noun (ROYAL PERSON)

abbreviation for Rex (= king) or Regina (= queen), used after the name of a king or queen: Elizabeth R

R, r

adjective uk   /ɑːr/ us    /ɑːr/

R, r adjective (ROYAL)

written abbreviation for royal adjective , used in the names of organizations: He's an RAF officer.

R, r adjective (DIRECTION)

written abbreviation for right adjective : R eye: 3.20/L eye: 3.25

R, r adjective (FILM)

[C or U] US abbreviation for restricted : used to refer to a film that people under 17 years of age can see only if a parent or guardian is with them

R, r

adverb uk   /ɑːr/ us    /ɑːr/
written abbreviation for right adjective
(Definition of R, r from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of R, r?
Add Cambridge dictionaries to your browser to your website

Definitions of “R, r” in other dictionaries

Word of the Day

hyphen

the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More