Other forms: commingled; commingling; commingles
To commingle is to blend together, the way different flavors commingle in a stew or people from all over the world commingle in a big city.
The verb commingle is a slightly literary way to say "mix until blended.” The book Charlotte’s Web commingles sadness and humor. If you combine the money you were saving to buy books with your weekly spending money, you commingle your funds. Commingle is formed with the Latin prefix com-, "together," and mingle from the Middle English myngen, "to mix."