Wooden (adjective)

1. Made of wood.
2. Lacking in natural ease or spontaneity; stiff and unnatural.

Origin:

Old english wudu, of germanic origin; related to dutch hout and german holz.

Examples:

1. The wooden chair creaked under his weight.
2. The wooden spoon was worn smooth from years of use.
3. He gave a wooden performance on stage.
4. The wooden horse was hand-carved by a local artisan.
5. His wooden expression gave nothing away.