Creak (verb)

1. To make a slight, high-pitched, usually metallic sound when bent, pressed, or otherwise stressed.
2. To make a slight, high-pitched, usually metallic sound when moved or touched.

Origin:

The word creak comes from the old english word "crecian" which means "to make a sharp noise" and it first appeared in the english language in the 14th century.

Examples:

1. The door creaked when it was opened.
2. The old floorboards creaked as we walked on them.
3. The old chair creaked as he sat down.
4. The rusty gate creaked as it was pushed open.
5. The staircase creaked as we went up.