Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sub”

See all translations

sub

noun [C]  /sʌb/ us  

sub noun [C] (REPLACEMENT)

short form of substitute teacher

sub noun [C] (SHIP)

short form of submarine : a nuclear sub

sub noun [C] (FOOD)

short form of submarine (sandwich)

sub

verb [I]  /sʌb/ (-bb-) us  
to work as a substitute teacher: She subs at three schools.
Translations of “sub”
in Chinese (Traditional) 錢, 訂閱費,訂購款, 服務費…
in Chinese (Simplified) 钱, 订阅费,订购款, 服务费…
(Definition of sub from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of sub?
Add Cambridge dictionaries to your browser to your website

“sub” in American English

Definitions of “sub” in other dictionaries

Word of the Day

sail

When a boat or a ship sails, it travels on the water.

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 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More