Wikidiffcom vs Stuffy - What's the difference?

As an adjective stuffy is

poorly ventilated; partially plugged.

(us|canada|colloquial|often|childish) a stuffed animal or other plush toy.

Wikidiffcom has no English definition. It may be misspelled.

(er)

Poorly ventilated; partially plugged.

I can't smell very well today – I have a stuffy nose.

Let's go outside – it's getting stuffy in here.

Stout; mettlesome; resolute.

Angry and obstinate; sulky.

Boring, uninteresting, over-formal, pompous, very conventional.

The stuffy professor droned on as the class lost interest.

(stuffies)

(US, Canada, colloquial, often, childish) A stuffed animal or other plush toy.

* stuffily * stuffiness