Januarynoun [ C or U ]uk /ˈdʒæn.ju.ə.ri/ us /ˈdʒæn.ju.er.i/ written abbreviation Jan.
His birthday is 25 January.
We're going skiing next January.
- Her birthday is in January.
- The sports centre always gets a lot of new members in January.
- I'm hoping to go to Brazil in January.
- We moved house in January.