Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “January”

January

noun [C or U]     /ˈdʒæn.jʊ.ri/ US  /-juː.er.i/ (written abbreviation Jan.)
A1 the first month of the year, after December and before February: Her father died in January. His birthday is 25 January. We're going skiing next January.Names of months
(Definition of January noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of January

Definitions of “January” in other dictionaries

Word of the Day

closeness

the quality of knowing someone very well, liking them a lot, and wanting to spend a lot of time together

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