Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “under-”

under-

prefix     /ʌn.dər-/ US  /-dɚ-/
not enough or not done as well or as much as is necessary : undercooked potatoes underprivileged children We're all overworked and underpaid . His boss says he's under-performing (= not doing as well as he should) at work . → Compare over-Scarce, inadequate and not enoughLacking things below: underwear an underpass Under and below
(Definition of under- prefix from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of under-

Definitions of “under-” in other dictionaries

Word of the Day

grand prix

one of a series of important international races for very fast and powerful cars

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