Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “baseline”

baseline

noun [C usually singular] uk   /ˈbeɪs.laɪn/ us  
a line on a sports field, such as the one in tennis, that marks the end of the playing area, or the one in baseball that marks the path along which players run: She delivered a final serve from the baseline to win the match.Tennis and racket sports an imaginary line used as a starting point for making comparisons: a baseline assessmentBeing based on or depending on something
(Definition of baseline from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of baseline?
Add Cambridge dictionaries to your browser to your website

Definitions of “baseline” in other dictionaries

Translations of “baseline”

Word of the Day

tankard

a large usually drinking cup, usually made of metal, with sloping sides, a handle, and sometimes a lid, mainly used for drinking beer

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