number 1

1. 1.

   the first element in a countable series

   “the first of the month”

   Synonymsfirstnumber one

   Broaderordinal number

Questions about number 1

What does number 1 mean?

number 1 means "the first element in a countable series".

What is another word for number 1?

Close synonyms include first, number one. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is number 1 a common word?

number 1 is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.