IPA: /ˈspʌndʒɪli/
KK: /ˈspʌndʒɪli/
In a way that is soft and full of holes, similar to a sponge.
The cake was spongily baked, making it light and fluffy.
Spongily is formed from "spongia" (from Latin, meaning sponge) and the suffix "-ly" (meaning in a manner of). The word describes something that is in the manner of a sponge, typically soft and porous.
Think of a sponge, which is soft and porous, to remember that spongily means something that is like a sponge in texture.