Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sub-”

sub-

prefix
 
 
/sʌb-/
under or below: substandard workmanshipUnder and below
less important or a smaller part of a larger whole: a subsectionWords meaning small pieces and amounts
(Definition of sub- from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

More Learner's Dictionary definitions for “sub-”

Definitions of “sub-” in other dictionaries

Word of the Day

workmanship

the skill with which something was made or done

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More