What is another word for mildly sarcastic?

Here are some words that could be used to describe mildly sarcastic speech or writing, depending on the specific nuance you want to convey:

General:

* Dry

* Wry

* Ironic

* Satirical

* Facetious

* Whimsical

More playful:

* Teasing

* Bantering

* Puckish

* Cocky

More pointed:

* Subtle

* Understated

* Droll

* Cynical

The best word to use will depend on the specific context and the tone you want to create.