stuffy

noun

A toy made of a soft material, usually stuffed with cotton, straw, beans, or other materials, and typically intended as a plaything for children.

1. Poorly ventilated; partially plugged.

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

2. Stout; mettlesome; resolute.
3. Angry and obstinate; sulky.
4. Boring, uninteresting, over-formal, pompous, very conventional.

   The stuffy professor droned on as the class lost interest.

5. Stout; sturdy.