一(ひと)つone (thing)

Common

1. Numeric

   1. 1.

      one

2. Noun

   1. 2.

      for one thing

      often used in itemized lists

   2. 3.

      only

      after a noun

   3. 4.

      (not) even

      with a verb in negative form

3. Noun, Adverb

   1. 5.

      just (e.g. "just try it")

4. の-adjective

   1. 6.

      some kind of, one type of